Home / 10,681,132.47-15,995,126.53-7,471,228.83

Finding the Fourth Proportional to 10,681,132.47, 15,995,126.53 and 7,471,228.83

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Solution

The fourth proportional to 10,681,132.47, 15,995,126.53 and 7,471,228.83 is: 11,188,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681,132.47 : 15,995,126.53 = 7,471,228.83 : x
  2. Step 2: Convert to fraction form
    10,681,132.47/15,995,126.53 = 7,471,228.83/x
  3. Step 3: Cross multiply
    10,681,132.47x = 15,995,126.53 × 7,471,228.83
  4. Step 4: Simplify right side
    10,681,132.47x = 119,503,250,419,791.17
  5. Step 5: Solve for x
    x = 119,503,250,419,791.17/10,681,132.47
  6. Step 6: Final answer
    x = 11,188,256.56

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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.