Home / 20,869,445.52-31,289,500.17-9,192,275.10

Finding the Fourth Proportional to 20,869,445.52, 31,289,500.17 and 9,192,275.10

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Solution

The fourth proportional to 20,869,445.52, 31,289,500.17 and 9,192,275.10 is: 13,781,951.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,869,445.52 : 31,289,500.17 = 9,192,275.10 : x
  2. Step 2: Convert to fraction form
    20,869,445.52/31,289,500.17 = 9,192,275.10/x
  3. Step 3: Cross multiply
    20,869,445.52x = 31,289,500.17 × 9,192,275.10
  4. Step 4: Simplify right side
    20,869,445.52x = 287,621,693,304,136.75
  5. Step 5: Solve for x
    x = 287,621,693,304,136.75/20,869,445.52
  6. Step 6: Final answer
    x = 13,781,951.85

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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.