Home / 10,002,965.28-13,804,158.36-5,419,286.66

Finding the Fourth Proportional to 10,002,965.28, 13,804,158.36 and 5,419,286.66

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Solution

The fourth proportional to 10,002,965.28, 13,804,158.36 and 5,419,286.66 is: 7,478,651.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002,965.28 : 13,804,158.36 = 5,419,286.66 : x
  2. Step 2: Convert to fraction form
    10,002,965.28/13,804,158.36 = 5,419,286.66/x
  3. Step 3: Cross multiply
    10,002,965.28x = 13,804,158.36 × 5,419,286.66
  4. Step 4: Simplify right side
    10,002,965.28x = 74,808,691,183,854.69
  5. Step 5: Solve for x
    x = 74,808,691,183,854.69/10,002,965.28
  6. Step 6: Final answer
    x = 7,478,651.49

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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.