Home / 40,676,789.29-61,008,437.84-13,383,414.85

Finding the Fourth Proportional to 40,676,789.29, 61,008,437.84 and 13,383,414.85

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Solution

The fourth proportional to 40,676,789.29, 61,008,437.84 and 13,383,414.85 is: 20,072,902.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,676,789.29 : 61,008,437.84 = 13,383,414.85 : x
  2. Step 2: Convert to fraction form
    40,676,789.29/61,008,437.84 = 13,383,414.85/x
  3. Step 3: Cross multiply
    40,676,789.29x = 61,008,437.84 × 13,383,414.85
  4. Step 4: Simplify right side
    40,676,789.29x = 816,501,232,658,115.88
  5. Step 5: Solve for x
    x = 816,501,232,658,115.88/40,676,789.29
  6. Step 6: Final answer
    x = 20,072,902.68

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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.