Home / 8,418,218.55-12,627,778.59-2,660,514.18

Finding the Fourth Proportional to 8,418,218.55, 12,627,778.59 and 2,660,514.18

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Solution

The fourth proportional to 8,418,218.55, 12,627,778.59 and 2,660,514.18 is: 3,990,913.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418,218.55 : 12,627,778.59 = 2,660,514.18 : x
  2. Step 2: Convert to fraction form
    8,418,218.55/12,627,778.59 = 2,660,514.18/x
  3. Step 3: Cross multiply
    8,418,218.55x = 12,627,778.59 × 2,660,514.18
  4. Step 4: Simplify right side
    8,418,218.55x = 33,596,384,000,595.41
  5. Step 5: Solve for x
    x = 33,596,384,000,595.41/8,418,218.55
  6. Step 6: Final answer
    x = 3,990,913.73

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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.