Home / 27,278,862.20-40,924,198.20-8,111,556.80

Finding the Fourth Proportional to 27,278,862.20, 40,924,198.20 and 8,111,556.80

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Solution

The fourth proportional to 27,278,862.20, 40,924,198.20 and 8,111,556.80 is: 12,169,091.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278,862.20 : 40,924,198.20 = 8,111,556.80 : x
  2. Step 2: Convert to fraction form
    27,278,862.20/40,924,198.20 = 8,111,556.80/x
  3. Step 3: Cross multiply
    27,278,862.20x = 40,924,198.20 × 8,111,556.80
  4. Step 4: Simplify right side
    27,278,862.20x = 331,958,958,193,757.75
  5. Step 5: Solve for x
    x = 331,958,958,193,757.75/27,278,862.20
  6. Step 6: Final answer
    x = 12,169,091.06

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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.