Home / 12,530,134.79-18,795,217.17-3,432,310.82

Finding the Fourth Proportional to 12,530,134.79, 18,795,217.17 and 3,432,310.82

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Solution

The fourth proportional to 12,530,134.79, 18,795,217.17 and 3,432,310.82 is: 5,148,470.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530,134.79 : 18,795,217.17 = 3,432,310.82 : x
  2. Step 2: Convert to fraction form
    12,530,134.79/18,795,217.17 = 3,432,310.82/x
  3. Step 3: Cross multiply
    12,530,134.79x = 18,795,217.17 × 3,432,310.82
  4. Step 4: Simplify right side
    12,530,134.79x = 64,511,027,246,217.92
  5. Step 5: Solve for x
    x = 64,511,027,246,217.92/12,530,134.79
  6. Step 6: Final answer
    x = 5,148,470.33

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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.