Home / 31,057,736.39-42,854,635.60-18,002,445.56

Finding the Fourth Proportional to 31,057,736.39, 42,854,635.60 and 18,002,445.56

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Solution

The fourth proportional to 31,057,736.39, 42,854,635.60 and 18,002,445.56 is: 24,840,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,057,736.39 : 42,854,635.60 = 18,002,445.56 : x
  2. Step 2: Convert to fraction form
    31,057,736.39/42,854,635.60 = 18,002,445.56/x
  3. Step 3: Cross multiply
    31,057,736.39x = 42,854,635.60 × 18,002,445.56
  4. Step 4: Simplify right side
    31,057,736.39x = 771,488,244,123,358.62
  5. Step 5: Solve for x
    x = 771,488,244,123,358.62/31,057,736.39
  6. Step 6: Final answer
    x = 24,840,453.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.