Home / 18,722,110.10-28,083,165.15-8,644,414.10

Finding the Fourth Proportional to 18,722,110.10, 28,083,165.15 and 8,644,414.10

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Solution

The fourth proportional to 18,722,110.10, 28,083,165.15 and 8,644,414.10 is: 12,966,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,110.10 : 28,083,165.15 = 8,644,414.10 : x
  2. Step 2: Convert to fraction form
    18,722,110.10/28,083,165.15 = 8,644,414.10/x
  3. Step 3: Cross multiply
    18,722,110.10x = 28,083,165.15 × 8,644,414.10
  4. Step 4: Simplify right side
    18,722,110.10x = 242,762,508,795,288.59
  5. Step 5: Solve for x
    x = 242,762,508,795,288.59/18,722,110.10
  6. Step 6: Final answer
    x = 12,966,621.15

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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.