Home / 10,655,539.60-15,980,865.92-2,979,723.86

Finding the Fourth Proportional to 10,655,539.60, 15,980,865.92 and 2,979,723.86

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Solution

The fourth proportional to 10,655,539.60, 15,980,865.92 and 2,979,723.86 is: 4,468,902.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655,539.60 : 15,980,865.92 = 2,979,723.86 : x
  2. Step 2: Convert to fraction form
    10,655,539.60/15,980,865.92 = 2,979,723.86/x
  3. Step 3: Cross multiply
    10,655,539.60x = 15,980,865.92 × 2,979,723.86
  4. Step 4: Simplify right side
    10,655,539.60x = 47,618,567,390,481.90
  5. Step 5: Solve for x
    x = 47,618,567,390,481.90/10,655,539.60
  6. Step 6: Final answer
    x = 4,468,902.49

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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.