Home / 20,541,983.04-28,350,559.75-11,840,217.92

Finding the Fourth Proportional to 20,541,983.04, 28,350,559.75 and 11,840,217.92

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Solution

The fourth proportional to 20,541,983.04, 28,350,559.75 and 11,840,217.92 is: 16,341,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541,983.04 : 28,350,559.75 = 11,840,217.92 : x
  2. Step 2: Convert to fraction form
    20,541,983.04/28,350,559.75 = 11,840,217.92/x
  3. Step 3: Cross multiply
    20,541,983.04x = 28,350,559.75 × 11,840,217.92
  4. Step 4: Simplify right side
    20,541,983.04x = 335,676,805,674,024.62
  5. Step 5: Solve for x
    x = 335,676,805,674,024.62/20,541,983.04
  6. Step 6: Final answer
    x = 16,341,012.70

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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.