Home / 9,321,816.20-13,959,104.70-7,432,248.20

Finding the Fourth Proportional to 9,321,816.20, 13,959,104.70 and 7,432,248.20

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Solution

The fourth proportional to 9,321,816.20, 13,959,104.70 and 7,432,248.20 is: 11,129,540.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321,816.20 : 13,959,104.70 = 7,432,248.20 : x
  2. Step 2: Convert to fraction form
    9,321,816.20/13,959,104.70 = 7,432,248.20/x
  3. Step 3: Cross multiply
    9,321,816.20x = 13,959,104.70 × 7,432,248.20
  4. Step 4: Simplify right side
    9,321,816.20x = 103,747,530,780,186.53
  5. Step 5: Solve for x
    x = 103,747,530,780,186.53/9,321,816.20
  6. Step 6: Final answer
    x = 11,129,540.48

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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.