Home / 7,976,665.43-11,965,422.42-2,512,187.57

Finding the Fourth Proportional to 7,976,665.43, 11,965,422.42 and 2,512,187.57

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Solution

The fourth proportional to 7,976,665.43, 11,965,422.42 and 2,512,187.57 is: 3,768,414.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976,665.43 : 11,965,422.42 = 2,512,187.57 : x
  2. Step 2: Convert to fraction form
    7,976,665.43/11,965,422.42 = 2,512,187.57/x
  3. Step 3: Cross multiply
    7,976,665.43x = 11,965,422.42 × 2,512,187.57
  4. Step 4: Simplify right side
    7,976,665.43x = 30,059,385,515,425.62
  5. Step 5: Solve for x
    x = 30,059,385,515,425.62/7,976,665.43
  6. Step 6: Final answer
    x = 3,768,414.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.