Home / 12,876,179.10-17,770,672.02-7,722,375.90

Finding the Fourth Proportional to 12,876,179.10, 17,770,672.02 and 7,722,375.90

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Solution

The fourth proportional to 12,876,179.10, 17,770,672.02 and 7,722,375.90 is: 10,657,805.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876,179.10 : 17,770,672.02 = 7,722,375.90 : x
  2. Step 2: Convert to fraction form
    12,876,179.10/17,770,672.02 = 7,722,375.90/x
  3. Step 3: Cross multiply
    12,876,179.10x = 17,770,672.02 × 7,722,375.90
  4. Step 4: Simplify right side
    12,876,179.10x = 137,231,809,334,052.33
  5. Step 5: Solve for x
    x = 137,231,809,334,052.33/12,876,179.10
  6. Step 6: Final answer
    x = 10,657,805.26

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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.