Home / 12,517,355.52-18,775,100.16-3,998,592

Finding the Fourth Proportional to 12,517,355.52, 18,775,100.16 and 3,998,592

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Solution

The fourth proportional to 12,517,355.52, 18,775,100.16 and 3,998,592 is: 5,997,589.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517,355.52 : 18,775,100.16 = 3,998,592 : x
  2. Step 2: Convert to fraction form
    12,517,355.52/18,775,100.16 = 3,998,592/x
  3. Step 3: Cross multiply
    12,517,355.52x = 18,775,100.16 × 3,998,592
  4. Step 4: Simplify right side
    12,517,355.52x = 75,073,965,298,974.72
  5. Step 5: Solve for x
    x = 75,073,965,298,974.72/12,517,355.52
  6. Step 6: Final answer
    x = 5,997,589.92

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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.