Home / 20,531,212.97-30,785,773.01-8,229,002.73

Finding the Fourth Proportional to 20,531,212.97, 30,785,773.01 and 8,229,002.73

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Solution

The fourth proportional to 20,531,212.97, 30,785,773.01 and 8,229,002.73 is: 12,339,076.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,531,212.97 : 30,785,773.01 = 8,229,002.73 : x
  2. Step 2: Convert to fraction form
    20,531,212.97/30,785,773.01 = 8,229,002.73/x
  3. Step 3: Cross multiply
    20,531,212.97x = 30,785,773.01 × 8,229,002.73
  4. Step 4: Simplify right side
    20,531,212.97x = 253,336,210,103,305.31
  5. Step 5: Solve for x
    x = 253,336,210,103,305.31/20,531,212.97
  6. Step 6: Final answer
    x = 12,339,076.63

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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.