Home / 8,381,452.30-12,553,516.05-7,261,708.30

Finding the Fourth Proportional to 8,381,452.30, 12,553,516.05 and 7,261,708.30

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Solution

The fourth proportional to 8,381,452.30, 12,553,516.05 and 7,261,708.30 is: 10,876,393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381,452.30 : 12,553,516.05 = 7,261,708.30 : x
  2. Step 2: Convert to fraction form
    8,381,452.30/12,553,516.05 = 7,261,708.30/x
  3. Step 3: Cross multiply
    8,381,452.30x = 12,553,516.05 × 7,261,708.30
  4. Step 4: Simplify right side
    8,381,452.30x = 91,159,971,694,468.22
  5. Step 5: Solve for x
    x = 91,159,971,694,468.22/8,381,452.30
  6. Step 6: Final answer
    x = 10,876,393.31

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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.