Home / 20,591,612.50-30,895,985.31-9,071,183.38

Finding the Fourth Proportional to 20,591,612.50, 30,895,985.31 and 9,071,183.38

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Solution

The fourth proportional to 20,591,612.50, 30,895,985.31 and 9,071,183.38 is: 13,610,548.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,591,612.50 : 30,895,985.31 = 9,071,183.38 : x
  2. Step 2: Convert to fraction form
    20,591,612.50/30,895,985.31 = 9,071,183.38/x
  3. Step 3: Cross multiply
    20,591,612.50x = 30,895,985.31 × 9,071,183.38
  4. Step 4: Simplify right side
    20,591,612.50x = 280,263,148,452,796.16
  5. Step 5: Solve for x
    x = 280,263,148,452,796.16/20,591,612.50
  6. Step 6: Final answer
    x = 13,610,548.88

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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.