Home / 9,981,909.38-13,775,076.44-5,398,230.75

Finding the Fourth Proportional to 9,981,909.38, 13,775,076.44 and 5,398,230.75

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Solution

The fourth proportional to 9,981,909.38, 13,775,076.44 and 5,398,230.75 is: 7,449,580.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981,909.38 : 13,775,076.44 = 5,398,230.75 : x
  2. Step 2: Convert to fraction form
    9,981,909.38/13,775,076.44 = 5,398,230.75/x
  3. Step 3: Cross multiply
    9,981,909.38x = 13,775,076.44 × 5,398,230.75
  4. Step 4: Simplify right side
    9,981,909.38x = 74,361,041,241,089.02
  5. Step 5: Solve for x
    x = 74,361,041,241,089.02/9,981,909.38
  6. Step 6: Final answer
    x = 7,449,580.88

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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.