Home / 27,131,044.80-40,696,567.20-18,521,700.60

Finding the Fourth Proportional to 27,131,044.80, 40,696,567.20 and 18,521,700.60

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Solution

The fourth proportional to 27,131,044.80, 40,696,567.20 and 18,521,700.60 is: 27,782,550.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131,044.80 : 40,696,567.20 = 18,521,700.60 : x
  2. Step 2: Convert to fraction form
    27,131,044.80/40,696,567.20 = 18,521,700.60/x
  3. Step 3: Cross multiply
    27,131,044.80x = 40,696,567.20 × 18,521,700.60
  4. Step 4: Simplify right side
    27,131,044.80x = 753,769,633,126,180.38
  5. Step 5: Solve for x
    x = 753,769,633,126,180.38/27,131,044.80
  6. Step 6: Final answer
    x = 27,782,550.90

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1.5x scale

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.