Home / 13,561,459.52-18,715,151.60-7,366,504.28

Finding the Fourth Proportional to 13,561,459.52, 18,715,151.60 and 7,366,504.28

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Solution

The fourth proportional to 13,561,459.52, 18,715,151.60 and 7,366,504.28 is: 10,165,959.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,459.52 : 18,715,151.60 = 7,366,504.28 : x
  2. Step 2: Convert to fraction form
    13,561,459.52/18,715,151.60 = 7,366,504.28/x
  3. Step 3: Cross multiply
    13,561,459.52x = 18,715,151.60 × 7,366,504.28
  4. Step 4: Simplify right side
    13,561,459.52x = 137,865,244,231,840.56
  5. Step 5: Solve for x
    x = 137,865,244,231,840.56/13,561,459.52
  6. Step 6: Final answer
    x = 10,165,959.21

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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.