Home / 18,687,851.10-28,031,776.65-16,632,945.90

Finding the Fourth Proportional to 18,687,851.10, 28,031,776.65 and 16,632,945.90

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Solution

The fourth proportional to 18,687,851.10, 28,031,776.65 and 16,632,945.90 is: 24,949,418.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,687,851.10 : 28,031,776.65 = 16,632,945.90 : x
  2. Step 2: Convert to fraction form
    18,687,851.10/28,031,776.65 = 16,632,945.90/x
  3. Step 3: Cross multiply
    18,687,851.10x = 28,031,776.65 × 16,632,945.90
  4. Step 4: Simplify right side
    18,687,851.10x = 466,251,024,500,333.25
  5. Step 5: Solve for x
    x = 466,251,024,500,333.25/18,687,851.10
  6. Step 6: Final answer
    x = 24,949,418.85

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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.