Home / 27,287,768.20-40,937,557.20-8,120,462.80

Finding the Fourth Proportional to 27,287,768.20, 40,937,557.20 and 8,120,462.80

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Solution

The fourth proportional to 27,287,768.20, 40,937,557.20 and 8,120,462.80 is: 12,182,451.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,287,768.20 : 40,937,557.20 = 8,120,462.80 : x
  2. Step 2: Convert to fraction form
    27,287,768.20/40,937,557.20 = 8,120,462.80/x
  3. Step 3: Cross multiply
    27,287,768.20x = 40,937,557.20 × 8,120,462.80
  4. Step 4: Simplify right side
    27,287,768.20x = 332,431,910,365,472.19
  5. Step 5: Solve for x
    x = 332,431,910,365,472.19/27,287,768.20
  6. Step 6: Final answer
    x = 12,182,451.42

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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.