Home / 10,122,540.38-13,969,105.72-5,538,861.75

Finding the Fourth Proportional to 10,122,540.38, 13,969,105.72 and 5,538,861.75

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Solution

The fourth proportional to 10,122,540.38, 13,969,105.72 and 5,538,861.75 is: 7,643,629.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122,540.38 : 13,969,105.72 = 5,538,861.75 : x
  2. Step 2: Convert to fraction form
    10,122,540.38/13,969,105.72 = 5,538,861.75/x
  3. Step 3: Cross multiply
    10,122,540.38x = 13,969,105.72 × 5,538,861.75
  4. Step 4: Simplify right side
    10,122,540.38x = 77,372,945,340,367.05
  5. Step 5: Solve for x
    x = 77,372,945,340,367.05/10,122,540.38
  6. Step 6: Final answer
    x = 7,643,629.22

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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.