Home / 36,378,736.70-54,568,105.05-18,185,739.80

Finding the Fourth Proportional to 36,378,736.70, 54,568,105.05 and 18,185,739.80

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Solution

The fourth proportional to 36,378,736.70, 54,568,105.05 and 18,185,739.80 is: 27,278,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,378,736.70 : 54,568,105.05 = 18,185,739.80 : x
  2. Step 2: Convert to fraction form
    36,378,736.70/54,568,105.05 = 18,185,739.80/x
  3. Step 3: Cross multiply
    36,378,736.70x = 54,568,105.05 × 18,185,739.80
  4. Step 4: Simplify right side
    36,378,736.70x = 992,361,359,818,366
  5. Step 5: Solve for x
    x = 992,361,359,818,366/36,378,736.70
  6. Step 6: Final answer
    x = 27,278,609.70

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Similar ratio
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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.