Home / 10,418,551-15,621,768.97-3,942,125.82

Finding the Fourth Proportional to 10,418,551, 15,621,768.97 and 3,942,125.82

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Solution

The fourth proportional to 10,418,551, 15,621,768.97 and 3,942,125.82 is: 5,910,896.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418,551 : 15,621,768.97 = 3,942,125.82 : x
  2. Step 2: Convert to fraction form
    10,418,551/15,621,768.97 = 3,942,125.82/x
  3. Step 3: Cross multiply
    10,418,551x = 15,621,768.97 × 3,942,125.82
  4. Step 4: Simplify right side
    10,418,551x = 61,582,978,810,711.80
  5. Step 5: Solve for x
    x = 61,582,978,810,711.80/10,418,551
  6. Step 6: Final answer
    x = 5,910,896.71

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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.