Home / 15,177,487.62-20,951,991.45-8,980,585.86

Finding the Fourth Proportional to 15,177,487.62, 20,951,991.45 and 8,980,585.86

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Solution

The fourth proportional to 15,177,487.62, 20,951,991.45 and 8,980,585.86 is: 12,397,385.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177,487.62 : 20,951,991.45 = 8,980,585.86 : x
  2. Step 2: Convert to fraction form
    15,177,487.62/20,951,991.45 = 8,980,585.86/x
  3. Step 3: Cross multiply
    15,177,487.62x = 20,951,991.45 × 8,980,585.86
  4. Step 4: Simplify right side
    15,177,487.62x = 188,161,158,154,710.88
  5. Step 5: Solve for x
    x = 188,161,158,154,710.88/15,177,487.62
  6. Step 6: Final answer
    x = 12,397,385.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.