Home / 11,168,002.20-16,752,003.30-3,987,643.80

Finding the Fourth Proportional to 11,168,002.20, 16,752,003.30 and 3,987,643.80

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Solution

The fourth proportional to 11,168,002.20, 16,752,003.30 and 3,987,643.80 is: 5,981,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168,002.20 : 16,752,003.30 = 3,987,643.80 : x
  2. Step 2: Convert to fraction form
    11,168,002.20/16,752,003.30 = 3,987,643.80/x
  3. Step 3: Cross multiply
    11,168,002.20x = 16,752,003.30 × 3,987,643.80
  4. Step 4: Simplify right side
    11,168,002.20x = 66,801,022,096,824.54
  5. Step 5: Solve for x
    x = 66,801,022,096,824.54/11,168,002.20
  6. Step 6: Final answer
    x = 5,981,465.70

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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.