Home / 42,145,371.60-63,218,057.40-11,853,234.60

Finding the Fourth Proportional to 42,145,371.60, 63,218,057.40 and 11,853,234.60

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Solution

The fourth proportional to 42,145,371.60, 63,218,057.40 and 11,853,234.60 is: 17,779,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,145,371.60 : 63,218,057.40 = 11,853,234.60 : x
  2. Step 2: Convert to fraction form
    42,145,371.60/63,218,057.40 = 11,853,234.60/x
  3. Step 3: Cross multiply
    42,145,371.60x = 63,218,057.40 × 11,853,234.60
  4. Step 4: Simplify right side
    42,145,371.60x = 749,338,465,318,466
  5. Step 5: Solve for x
    x = 749,338,465,318,466/42,145,371.60
  6. Step 6: Final answer
    x = 17,779,851.90

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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.