Home / 9,195,410.70-13,793,116.05-8,185,672.80

Finding the Fourth Proportional to 9,195,410.70, 13,793,116.05 and 8,185,672.80

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Solution

The fourth proportional to 9,195,410.70, 13,793,116.05 and 8,185,672.80 is: 12,278,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195,410.70 : 13,793,116.05 = 8,185,672.80 : x
  2. Step 2: Convert to fraction form
    9,195,410.70/13,793,116.05 = 8,185,672.80/x
  3. Step 3: Cross multiply
    9,195,410.70x = 13,793,116.05 × 8,185,672.80
  4. Step 4: Simplify right side
    9,195,410.70x = 112,905,934,877,728.44
  5. Step 5: Solve for x
    x = 112,905,934,877,728.44/9,195,410.70
  6. Step 6: Final answer
    x = 12,278,509.20

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Double scale
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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.