Home / 11,142,553.32-15,379,912.20-6,561,531.88

Finding the Fourth Proportional to 11,142,553.32, 15,379,912.20 and 6,561,531.88

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Solution

The fourth proportional to 11,142,553.32, 15,379,912.20 and 6,561,531.88 is: 9,056,791.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142,553.32 : 15,379,912.20 = 6,561,531.88 : x
  2. Step 2: Convert to fraction form
    11,142,553.32/15,379,912.20 = 6,561,531.88/x
  3. Step 3: Cross multiply
    11,142,553.32x = 15,379,912.20 × 6,561,531.88
  4. Step 4: Simplify right side
    11,142,553.32x = 100,915,784,211,900.92
  5. Step 5: Solve for x
    x = 100,915,784,211,900.92/11,142,553.32
  6. Step 6: Final answer
    x = 9,056,791.68

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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.