Home / 18,722,406.90-28,083,610.35-16,632,218.10

Finding the Fourth Proportional to 18,722,406.90, 28,083,610.35 and 16,632,218.10

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Solution

The fourth proportional to 18,722,406.90, 28,083,610.35 and 16,632,218.10 is: 24,948,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,406.90 : 28,083,610.35 = 16,632,218.10 : x
  2. Step 2: Convert to fraction form
    18,722,406.90/28,083,610.35 = 16,632,218.10/x
  3. Step 3: Cross multiply
    18,722,406.90x = 28,083,610.35 × 16,632,218.10
  4. Step 4: Simplify right side
    18,722,406.90x = 467,092,732,376,617.38
  5. Step 5: Solve for x
    x = 467,092,732,376,617.38/18,722,406.90
  6. Step 6: Final answer
    x = 24,948,327.15

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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.