Home / 8,691,505.10-13,032,073.65-5,328,125.90

Finding the Fourth Proportional to 8,691,505.10, 13,032,073.65 and 5,328,125.90

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Solution

The fourth proportional to 8,691,505.10, 13,032,073.65 and 5,328,125.90 is: 7,989,010.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,505.10 : 13,032,073.65 = 5,328,125.90 : x
  2. Step 2: Convert to fraction form
    8,691,505.10/13,032,073.65 = 5,328,125.90/x
  3. Step 3: Cross multiply
    8,691,505.10x = 13,032,073.65 × 5,328,125.90
  4. Step 4: Simplify right side
    8,691,505.10x = 69,436,529,145,272.54
  5. Step 5: Solve for x
    x = 69,436,529,145,272.54/8,691,505.10
  6. Step 6: Final answer
    x = 7,989,010.92

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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.