Home / 20,882,011.68-28,817,372.66-11,714,851.24

Finding the Fourth Proportional to 20,882,011.68, 28,817,372.66 and 11,714,851.24

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Solution

The fourth proportional to 20,882,011.68, 28,817,372.66 and 11,714,851.24 is: 16,166,604.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,882,011.68 : 28,817,372.66 = 11,714,851.24 : x
  2. Step 2: Convert to fraction form
    20,882,011.68/28,817,372.66 = 11,714,851.24/x
  3. Step 3: Cross multiply
    20,882,011.68x = 28,817,372.66 × 11,714,851.24
  4. Step 4: Simplify right side
    20,882,011.68x = 337,591,233,839,543.12
  5. Step 5: Solve for x
    x = 337,591,233,839,543.12/20,882,011.68
  6. Step 6: Final answer
    x = 16,166,604.97

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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.