Home / 8,959,865.92-13,439,799.42-3,572,299.78

Finding the Fourth Proportional to 8,959,865.92, 13,439,799.42 and 3,572,299.78

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Solution

The fourth proportional to 8,959,865.92, 13,439,799.42 and 3,572,299.78 is: 5,358,449.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959,865.92 : 13,439,799.42 = 3,572,299.78 : x
  2. Step 2: Convert to fraction form
    8,959,865.92/13,439,799.42 = 3,572,299.78/x
  3. Step 3: Cross multiply
    8,959,865.92x = 13,439,799.42 × 3,572,299.78
  4. Step 4: Simplify right side
    8,959,865.92x = 48,010,992,511,310.12
  5. Step 5: Solve for x
    x = 48,010,992,511,310.12/8,959,865.92
  6. Step 6: Final answer
    x = 5,358,449.89

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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.