Home / 7,251,857.44-10,007,752.60-3,988,757.76

Finding the Fourth Proportional to 7,251,857.44, 10,007,752.60 and 3,988,757.76

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Solution

The fourth proportional to 7,251,857.44, 10,007,752.60 and 3,988,757.76 is: 5,504,589.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251,857.44 : 10,007,752.60 = 3,988,757.76 : x
  2. Step 2: Convert to fraction form
    7,251,857.44/10,007,752.60 = 3,988,757.76/x
  3. Step 3: Cross multiply
    7,251,857.44x = 10,007,752.60 × 3,988,757.76
  4. Step 4: Simplify right side
    7,251,857.44x = 39,918,500,810,867.05
  5. Step 5: Solve for x
    x = 39,918,500,810,867.05/7,251,857.44
  6. Step 6: Final answer
    x = 5,504,589.85

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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.