Home / 42,203,983.80-63,304,789.86-13,451,841.48

Finding the Fourth Proportional to 42,203,983.80, 63,304,789.86 and 13,451,841.48

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Solution

The fourth proportional to 42,203,983.80, 63,304,789.86 and 13,451,841.48 is: 20,177,384.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,203,983.80 : 63,304,789.86 = 13,451,841.48 : x
  2. Step 2: Convert to fraction form
    42,203,983.80/63,304,789.86 = 13,451,841.48/x
  3. Step 3: Cross multiply
    42,203,983.80x = 63,304,789.86 × 13,451,841.48
  4. Step 4: Simplify right side
    42,203,983.80x = 851,565,998,121,431.38
  5. Step 5: Solve for x
    x = 851,565,998,121,431.38/42,203,983.80
  6. Step 6: Final answer
    x = 20,177,384.25

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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.