Home / 14,990,540.30-20,687,011.68-8,115,022.34

Finding the Fourth Proportional to 14,990,540.30, 20,687,011.68 and 8,115,022.34

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Solution

The fourth proportional to 14,990,540.30, 20,687,011.68 and 8,115,022.34 is: 11,198,766.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990,540.30 : 20,687,011.68 = 8,115,022.34 : x
  2. Step 2: Convert to fraction form
    14,990,540.30/20,687,011.68 = 8,115,022.34/x
  3. Step 3: Cross multiply
    14,990,540.30x = 20,687,011.68 × 8,115,022.34
  4. Step 4: Simplify right side
    14,990,540.30x = 167,875,561,931,040.94
  5. Step 5: Solve for x
    x = 167,875,561,931,040.94/14,990,540.30
  6. Step 6: Final answer
    x = 11,198,766.59

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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.