Home / 36,382,079.70-54,573,119.55-18,189,082.80

Finding the Fourth Proportional to 36,382,079.70, 54,573,119.55 and 18,189,082.80

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Solution

The fourth proportional to 36,382,079.70, 54,573,119.55 and 18,189,082.80 is: 27,283,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,382,079.70 : 54,573,119.55 = 18,189,082.80 : x
  2. Step 2: Convert to fraction form
    36,382,079.70/54,573,119.55 = 18,189,082.80/x
  3. Step 3: Cross multiply
    36,382,079.70x = 54,573,119.55 × 18,189,082.80
  4. Step 4: Simplify right side
    36,382,079.70x = 992,634,990,149,248.75
  5. Step 5: Solve for x
    x = 992,634,990,149,248.75/36,382,079.70
  6. Step 6: Final answer
    x = 27,283,624.20

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Double scale
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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.