Home / 7,949,951.55-10,968,139.17-5,198,249.70

Finding the Fourth Proportional to 7,949,951.55, 10,968,139.17 and 5,198,249.70

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Solution

The fourth proportional to 7,949,951.55, 10,968,139.17 and 5,198,249.70 is: 7,171,757.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949,951.55 : 10,968,139.17 = 5,198,249.70 : x
  2. Step 2: Convert to fraction form
    7,949,951.55/10,968,139.17 = 5,198,249.70/x
  3. Step 3: Cross multiply
    7,949,951.55x = 10,968,139.17 × 5,198,249.70
  4. Step 4: Simplify right side
    7,949,951.55x = 57,015,126,150,010.75
  5. Step 5: Solve for x
    x = 57,015,126,150,010.75/7,949,951.55
  6. Step 6: Final answer
    x = 7,171,757.69

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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.