Home / 13,853,015.46-20,785,034.43-5,331,063.78

Finding the Fourth Proportional to 13,853,015.46, 20,785,034.43 and 5,331,063.78

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Solution

The fourth proportional to 13,853,015.46, 20,785,034.43 and 5,331,063.78 is: 7,998,716.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853,015.46 : 20,785,034.43 = 5,331,063.78 : x
  2. Step 2: Convert to fraction form
    13,853,015.46/20,785,034.43 = 5,331,063.78/x
  3. Step 3: Cross multiply
    13,853,015.46x = 20,785,034.43 × 5,331,063.78
  4. Step 4: Simplify right side
    13,853,015.46x = 110,806,344,215,825.95
  5. Step 5: Solve for x
    x = 110,806,344,215,825.95/13,853,015.46
  6. Step 6: Final answer
    x = 7,998,716.56

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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.