Home / 20,160,251.20-30,240,376.80-11,090,324.80

Finding the Fourth Proportional to 20,160,251.20, 30,240,376.80 and 11,090,324.80

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Solution

The fourth proportional to 20,160,251.20, 30,240,376.80 and 11,090,324.80 is: 16,635,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,251.20 : 30,240,376.80 = 11,090,324.80 : x
  2. Step 2: Convert to fraction form
    20,160,251.20/30,240,376.80 = 11,090,324.80/x
  3. Step 3: Cross multiply
    20,160,251.20x = 30,240,376.80 × 11,090,324.80
  4. Step 4: Simplify right side
    20,160,251.20x = 335,375,600,786,384.69
  5. Step 5: Solve for x
    x = 335,375,600,786,384.69/20,160,251.20
  6. Step 6: Final answer
    x = 16,635,487.20

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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.