Home / 13,941,472.70-20,912,209.05-11,071,691.30

Finding the Fourth Proportional to 13,941,472.70, 20,912,209.05 and 11,071,691.30

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Solution

The fourth proportional to 13,941,472.70, 20,912,209.05 and 11,071,691.30 is: 16,607,536.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941,472.70 : 20,912,209.05 = 11,071,691.30 : x
  2. Step 2: Convert to fraction form
    13,941,472.70/20,912,209.05 = 11,071,691.30/x
  3. Step 3: Cross multiply
    13,941,472.70x = 20,912,209.05 × 11,071,691.30
  4. Step 4: Simplify right side
    13,941,472.70x = 231,533,523,002,666.28
  5. Step 5: Solve for x
    x = 231,533,523,002,666.28/13,941,472.70
  6. Step 6: Final answer
    x = 16,607,536.95

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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.