Home / 21,552,227.28-32,311,175.20-12,443,993.15

Finding the Fourth Proportional to 21,552,227.28, 32,311,175.20 and 12,443,993.15

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Solution

The fourth proportional to 21,552,227.28, 32,311,175.20 and 12,443,993.15 is: 18,656,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552,227.28 : 32,311,175.20 = 12,443,993.15 : x
  2. Step 2: Convert to fraction form
    21,552,227.28/32,311,175.20 = 12,443,993.15/x
  3. Step 3: Cross multiply
    21,552,227.28x = 32,311,175.20 × 12,443,993.15
  4. Step 4: Simplify right side
    21,552,227.28x = 402,080,042,664,584
  5. Step 5: Solve for x
    x = 402,080,042,664,584/21,552,227.28
  6. Step 6: Final answer
    x = 18,656,078.44

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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.