Home / 15,990,585-22,067,006.96-8,648,418.68

Finding the Fourth Proportional to 15,990,585, 22,067,006.96 and 8,648,418.68

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Solution

The fourth proportional to 15,990,585, 22,067,006.96 and 8,648,418.68 is: 11,934,817.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990,585 : 22,067,006.96 = 8,648,418.68 : x
  2. Step 2: Convert to fraction form
    15,990,585/22,067,006.96 = 8,648,418.68/x
  3. Step 3: Cross multiply
    15,990,585x = 22,067,006.96 × 8,648,418.68
  4. Step 4: Simplify right side
    15,990,585x = 190,844,715,204,554
  5. Step 5: Solve for x
    x = 190,844,715,204,554/15,990,585
  6. Step 6: Final answer
    x = 11,934,817.59

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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.