Home / 10,873,282.11-15,005,514.78-5,978,876.82

Finding the Fourth Proportional to 10,873,282.11, 15,005,514.78 and 5,978,876.82

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Solution

The fourth proportional to 10,873,282.11, 15,005,514.78 and 5,978,876.82 is: 8,251,061.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873,282.11 : 15,005,514.78 = 5,978,876.82 : x
  2. Step 2: Convert to fraction form
    10,873,282.11/15,005,514.78 = 5,978,876.82/x
  3. Step 3: Cross multiply
    10,873,282.11x = 15,005,514.78 × 5,978,876.82
  4. Step 4: Simplify right side
    10,873,282.11x = 89,716,124,490,309.41
  5. Step 5: Solve for x
    x = 89,716,124,490,309.41/10,873,282.11
  6. Step 6: Final answer
    x = 8,251,061.97

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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.