Home / 13,541,451.52-18,687,201.03-7,740,357.82

Finding the Fourth Proportional to 13,541,451.52, 18,687,201.03 and 7,740,357.82

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Solution

The fourth proportional to 13,541,451.52, 18,687,201.03 and 7,740,357.82 is: 10,681,692.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541,451.52 : 18,687,201.03 = 7,740,357.82 : x
  2. Step 2: Convert to fraction form
    13,541,451.52/18,687,201.03 = 7,740,357.82/x
  3. Step 3: Cross multiply
    13,541,451.52x = 18,687,201.03 × 7,740,357.82
  4. Step 4: Simplify right side
    13,541,451.52x = 144,645,622,579,754.56
  5. Step 5: Solve for x
    x = 144,645,622,579,754.56/13,541,451.52
  6. Step 6: Final answer
    x = 10,681,692.61

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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.