Home / 20,199,391.70-30,299,087.55-13,822,099.70

Finding the Fourth Proportional to 20,199,391.70, 30,299,087.55 and 13,822,099.70

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Solution

The fourth proportional to 20,199,391.70, 30,299,087.55 and 13,822,099.70 is: 20,733,149.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199,391.70 : 30,299,087.55 = 13,822,099.70 : x
  2. Step 2: Convert to fraction form
    20,199,391.70/30,299,087.55 = 13,822,099.70/x
  3. Step 3: Cross multiply
    20,199,391.70x = 30,299,087.55 × 13,822,099.70
  4. Step 4: Simplify right side
    20,199,391.70x = 418,797,008,935,128.75
  5. Step 5: Solve for x
    x = 418,797,008,935,128.75/20,199,391.70
  6. Step 6: Final answer
    x = 20,733,149.55

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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.