Home / 9,321,815.20-13,959,103.20-7,432,247.20

Finding the Fourth Proportional to 9,321,815.20, 13,959,103.20 and 7,432,247.20

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Solution

The fourth proportional to 9,321,815.20, 13,959,103.20 and 7,432,247.20 is: 11,129,538.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321,815.20 : 13,959,103.20 = 7,432,247.20 : x
  2. Step 2: Convert to fraction form
    9,321,815.20/13,959,103.20 = 7,432,247.20/x
  3. Step 3: Cross multiply
    9,321,815.20x = 13,959,103.20 × 7,432,247.20
  4. Step 4: Simplify right side
    9,321,815.20x = 103,747,505,672,711.03
  5. Step 5: Solve for x
    x = 103,747,505,672,711.03/9,321,815.20
  6. Step 6: Final answer
    x = 11,129,538.98

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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.