Home / 14,991,080.13-20,687,737.16-8,115,545.79

Finding the Fourth Proportional to 14,991,080.13, 20,687,737.16 and 8,115,545.79

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Solution

The fourth proportional to 14,991,080.13, 20,687,737.16 and 8,115,545.79 is: 11,199,478.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,991,080.13 : 20,687,737.16 = 8,115,545.79 : x
  2. Step 2: Convert to fraction form
    14,991,080.13/20,687,737.16 = 8,115,545.79/x
  3. Step 3: Cross multiply
    14,991,080.13x = 20,687,737.16 × 8,115,545.79
  4. Step 4: Simplify right side
    14,991,080.13x = 167,892,278,233,753.44
  5. Step 5: Solve for x
    x = 167,892,278,233,753.44/14,991,080.13
  6. Step 6: Final answer
    x = 11,199,478.41

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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.