Home / 11,240,129.95-15,511,755.47-6,888,375.86

Finding the Fourth Proportional to 11,240,129.95, 15,511,755.47 and 6,888,375.86

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Solution

The fourth proportional to 11,240,129.95, 15,511,755.47 and 6,888,375.86 is: 9,506,189.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240,129.95 : 15,511,755.47 = 6,888,375.86 : x
  2. Step 2: Convert to fraction form
    11,240,129.95/15,511,755.47 = 6,888,375.86/x
  3. Step 3: Cross multiply
    11,240,129.95x = 15,511,755.47 × 6,888,375.86
  4. Step 4: Simplify right side
    11,240,129.95x = 106,850,801,813,770.30
  5. Step 5: Solve for x
    x = 106,850,801,813,770.30/11,240,129.95
  6. Step 6: Final answer
    x = 9,506,189.19

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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.