Home / 20,982,248.68-31,454,701.26-8,199,846.76

Finding the Fourth Proportional to 20,982,248.68, 31,454,701.26 and 8,199,846.76

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Solution

The fourth proportional to 20,982,248.68, 31,454,701.26 and 8,199,846.76 is: 12,292,473.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,982,248.68 : 31,454,701.26 = 8,199,846.76 : x
  2. Step 2: Convert to fraction form
    20,982,248.68/31,454,701.26 = 8,199,846.76/x
  3. Step 3: Cross multiply
    20,982,248.68x = 31,454,701.26 × 8,199,846.76
  4. Step 4: Simplify right side
    20,982,248.68x = 257,923,730,213,578.94
  5. Step 5: Solve for x
    x = 257,923,730,213,578.94/20,982,248.68
  6. Step 6: Final answer
    x = 12,292,473.23

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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.