Home / 36,378,725.70-54,568,088.55-18,185,728.80

Finding the Fourth Proportional to 36,378,725.70, 54,568,088.55 and 18,185,728.80

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Solution

The fourth proportional to 36,378,725.70, 54,568,088.55 and 18,185,728.80 is: 27,278,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,378,725.70 : 54,568,088.55 = 18,185,728.80 : x
  2. Step 2: Convert to fraction form
    36,378,725.70/54,568,088.55 = 18,185,728.80/x
  3. Step 3: Cross multiply
    36,378,725.70x = 54,568,088.55 × 18,185,728.80
  4. Step 4: Simplify right side
    36,378,725.70x = 992,360,459,504,685.25
  5. Step 5: Solve for x
    x = 992,360,459,504,685.25/36,378,725.70
  6. Step 6: Final answer
    x = 27,278,593.20

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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.