Home / 9,720,910.80-14,581,366.20-8,162,017.20

Finding the Fourth Proportional to 9,720,910.80, 14,581,366.20 and 8,162,017.20

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Solution

The fourth proportional to 9,720,910.80, 14,581,366.20 and 8,162,017.20 is: 12,243,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720,910.80 : 14,581,366.20 = 8,162,017.20 : x
  2. Step 2: Convert to fraction form
    9,720,910.80/14,581,366.20 = 8,162,017.20/x
  3. Step 3: Cross multiply
    9,720,910.80x = 14,581,366.20 × 8,162,017.20
  4. Step 4: Simplify right side
    9,720,910.80x = 119,013,361,723,898.64
  5. Step 5: Solve for x
    x = 119,013,361,723,898.64/9,720,910.80
  6. Step 6: Final answer
    x = 12,243,025.80

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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.