Home / 20,651,047.92-28,498,502.90-11,359,569.88

Finding the Fourth Proportional to 20,651,047.92, 28,498,502.90 and 11,359,569.88

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Solution

The fourth proportional to 20,651,047.92, 28,498,502.90 and 11,359,569.88 is: 15,676,237.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,651,047.92 : 28,498,502.90 = 11,359,569.88 : x
  2. Step 2: Convert to fraction form
    20,651,047.92/28,498,502.90 = 11,359,569.88/x
  3. Step 3: Cross multiply
    20,651,047.92x = 28,498,502.90 × 11,359,569.88
  4. Step 4: Simplify right side
    20,651,047.92x = 323,730,735,167,932.69
  5. Step 5: Solve for x
    x = 323,730,735,167,932.69/20,651,047.92
  6. Step 6: Final answer
    x = 15,676,237.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.