Home / 11,240,129.89-15,511,755.37-6,888,375.78

Finding the Fourth Proportional to 11,240,129.89, 15,511,755.37 and 6,888,375.78

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Solution

The fourth proportional to 11,240,129.89, 15,511,755.37 and 6,888,375.78 is: 9,506,189.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240,129.89 : 15,511,755.37 = 6,888,375.78 : x
  2. Step 2: Convert to fraction form
    11,240,129.89/15,511,755.37 = 6,888,375.78/x
  3. Step 3: Cross multiply
    11,240,129.89x = 15,511,755.37 × 6,888,375.78
  4. Step 4: Simplify right side
    11,240,129.89x = 106,850,799,904,456.56
  5. Step 5: Solve for x
    x = 106,850,799,904,456.56/11,240,129.89
  6. Step 6: Final answer
    x = 9,506,189.07

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1.5x scale

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.