Home / 36,247,624.80-54,371,437.20-12,313,096.80

Finding the Fourth Proportional to 36,247,624.80, 54,371,437.20 and 12,313,096.80

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Solution

The fourth proportional to 36,247,624.80, 54,371,437.20 and 12,313,096.80 is: 18,469,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,247,624.80 : 54,371,437.20 = 12,313,096.80 : x
  2. Step 2: Convert to fraction form
    36,247,624.80/54,371,437.20 = 12,313,096.80/x
  3. Step 3: Cross multiply
    36,247,624.80x = 54,371,437.20 × 12,313,096.80
  4. Step 4: Simplify right side
    36,247,624.80x = 669,480,769,398,721
  5. Step 5: Solve for x
    x = 669,480,769,398,721/36,247,624.80
  6. Step 6: Final answer
    x = 18,469,645.20

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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.