Home / 21,278,276.10-31,917,414.15-14,783,760.90

Finding the Fourth Proportional to 21,278,276.10, 31,917,414.15 and 14,783,760.90

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Solution

The fourth proportional to 21,278,276.10, 31,917,414.15 and 14,783,760.90 is: 22,175,641.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,278,276.10 : 31,917,414.15 = 14,783,760.90 : x
  2. Step 2: Convert to fraction form
    21,278,276.10/31,917,414.15 = 14,783,760.90/x
  3. Step 3: Cross multiply
    21,278,276.10x = 31,917,414.15 × 14,783,760.90
  4. Step 4: Simplify right side
    21,278,276.10x = 471,859,419,339,876.75
  5. Step 5: Solve for x
    x = 471,859,419,339,876.75/21,278,276.10
  6. Step 6: Final answer
    x = 22,175,641.35

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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.