Home / 20,098,493.15-30,150,729.02-9,316,883.86

Finding the Fourth Proportional to 20,098,493.15, 30,150,729.02 and 9,316,883.86

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Solution

The fourth proportional to 20,098,493.15, 30,150,729.02 and 9,316,883.86 is: 13,976,711.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098,493.15 : 30,150,729.02 = 9,316,883.86 : x
  2. Step 2: Convert to fraction form
    20,098,493.15/30,150,729.02 = 9,316,883.86/x
  3. Step 3: Cross multiply
    20,098,493.15x = 30,150,729.02 × 9,316,883.86
  4. Step 4: Simplify right side
    20,098,493.15x = 280,910,840,521,587
  5. Step 5: Solve for x
    x = 280,910,840,521,587/20,098,493.15
  6. Step 6: Final answer
    x = 13,976,711.51

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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.