Home / 36,378,719.70-54,568,079.55-18,185,722.80

Finding the Fourth Proportional to 36,378,719.70, 54,568,079.55 and 18,185,722.80

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Solution

The fourth proportional to 36,378,719.70, 54,568,079.55 and 18,185,722.80 is: 27,278,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,378,719.70 : 54,568,079.55 = 18,185,722.80 : x
  2. Step 2: Convert to fraction form
    36,378,719.70/54,568,079.55 = 18,185,722.80/x
  3. Step 3: Cross multiply
    36,378,719.70x = 54,568,079.55 × 18,185,722.80
  4. Step 4: Simplify right side
    36,378,719.70x = 992,359,968,424,648.75
  5. Step 5: Solve for x
    x = 992,359,968,424,648.75/36,378,719.70
  6. Step 6: Final answer
    x = 27,278,584.20

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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.