Home / 9,166,078.20-13,749,117.30-8,156,340.30

Finding the Fourth Proportional to 9,166,078.20, 13,749,117.30 and 8,156,340.30

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Solution

The fourth proportional to 9,166,078.20, 13,749,117.30 and 8,156,340.30 is: 12,234,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,166,078.20 : 13,749,117.30 = 8,156,340.30 : x
  2. Step 2: Convert to fraction form
    9,166,078.20/13,749,117.30 = 8,156,340.30/x
  3. Step 3: Cross multiply
    9,166,078.20x = 13,749,117.30 × 8,156,340.30
  4. Step 4: Simplify right side
    9,166,078.20x = 112,142,479,523,417.19
  5. Step 5: Solve for x
    x = 112,142,479,523,417.19/9,166,078.20
  6. Step 6: Final answer
    x = 12,234,510.45

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Half scale
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Double scale
Find fourth proportional to 9,166,079.20, 13,749,118.80 and 8,156,341.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.