Home / 15,005,609.88-20,707,471.91-8,479,098.42

Finding the Fourth Proportional to 15,005,609.88, 20,707,471.91 and 8,479,098.42

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Solution

The fourth proportional to 15,005,609.88, 20,707,471.91 and 8,479,098.42 is: 11,701,003.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,005,609.88 : 20,707,471.91 = 8,479,098.42 : x
  2. Step 2: Convert to fraction form
    15,005,609.88/20,707,471.91 = 8,479,098.42/x
  3. Step 3: Cross multiply
    15,005,609.88x = 20,707,471.91 × 8,479,098.42
  4. Step 4: Simplify right side
    15,005,609.88x = 175,580,692,354,275.38
  5. Step 5: Solve for x
    x = 175,580,692,354,275.38/15,005,609.88
  6. Step 6: Final answer
    x = 11,701,003.41

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1.5x scale

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.