Home / 20,651,061.92-28,498,522.24-11,359,583.90

Finding the Fourth Proportional to 20,651,061.92, 28,498,522.24 and 11,359,583.90

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Solution

The fourth proportional to 20,651,061.92, 28,498,522.24 and 11,359,583.90 is: 15,676,257.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,651,061.92 : 28,498,522.24 = 11,359,583.90 : x
  2. Step 2: Convert to fraction form
    20,651,061.92/28,498,522.24 = 11,359,583.90/x
  3. Step 3: Cross multiply
    20,651,061.92x = 28,498,522.24 × 11,359,583.90
  4. Step 4: Simplify right side
    20,651,061.92x = 323,731,354,411,295.94
  5. Step 5: Solve for x
    x = 323,731,354,411,295.94/20,651,061.92
  6. Step 6: Final answer
    x = 15,676,257.02

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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.