Home / 20,229,862.73-30,344,794.10-13,414,131.90

Finding the Fourth Proportional to 20,229,862.73, 30,344,794.10 and 13,414,131.90

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Solution

The fourth proportional to 20,229,862.73, 30,344,794.10 and 13,414,131.90 is: 20,121,197.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,862.73 : 30,344,794.10 = 13,414,131.90 : x
  2. Step 2: Convert to fraction form
    20,229,862.73/30,344,794.10 = 13,414,131.90/x
  3. Step 3: Cross multiply
    20,229,862.73x = 30,344,794.10 × 13,414,131.90
  4. Step 4: Simplify right side
    20,229,862.73x = 407,049,070,468,671.12
  5. Step 5: Solve for x
    x = 407,049,070,468,671.12/20,229,862.73
  6. Step 6: Final answer
    x = 20,121,197.85

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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.