Home / 9,125,067.72-12,591,732.07-5,453,253.28

Finding the Fourth Proportional to 9,125,067.72, 12,591,732.07 and 5,453,253.28

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Solution

The fourth proportional to 9,125,067.72, 12,591,732.07 and 5,453,253.28 is: 7,524,974.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125,067.72 : 12,591,732.07 = 5,453,253.28 : x
  2. Step 2: Convert to fraction form
    9,125,067.72/12,591,732.07 = 5,453,253.28/x
  3. Step 3: Cross multiply
    9,125,067.72x = 12,591,732.07 × 5,453,253.28
  4. Step 4: Simplify right side
    9,125,067.72x = 68,665,904,121,383.77
  5. Step 5: Solve for x
    x = 68,665,904,121,383.77/9,125,067.72
  6. Step 6: Final answer
    x = 7,524,974.74

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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.