Home / 9,115,839.92-12,579,350.28-4,985,055.92

Finding the Fourth Proportional to 9,115,839.92, 12,579,350.28 and 4,985,055.92

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Solution

The fourth proportional to 9,115,839.92, 12,579,350.28 and 4,985,055.92 is: 6,879,098.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115,839.92 : 12,579,350.28 = 4,985,055.92 : x
  2. Step 2: Convert to fraction form
    9,115,839.92/12,579,350.28 = 4,985,055.92/x
  3. Step 3: Cross multiply
    9,115,839.92x = 12,579,350.28 × 4,985,055.92
  4. Step 4: Simplify right side
    9,115,839.92x = 62,708,764,583,067.66
  5. Step 5: Solve for x
    x = 62,708,764,583,067.66/9,115,839.92
  6. Step 6: Final answer
    x = 6,879,098.92

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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.