Home / 20,030,147.70-30,045,221.55-18,176,747.22

Finding the Fourth Proportional to 20,030,147.70, 30,045,221.55 and 18,176,747.22

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Solution

The fourth proportional to 20,030,147.70, 30,045,221.55 and 18,176,747.22 is: 27,265,120.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030,147.70 : 30,045,221.55 = 18,176,747.22 : x
  2. Step 2: Convert to fraction form
    20,030,147.70/30,045,221.55 = 18,176,747.22/x
  3. Step 3: Cross multiply
    20,030,147.70x = 30,045,221.55 × 18,176,747.22
  4. Step 4: Simplify right side
    20,030,147.70x = 546,124,397,283,246.56
  5. Step 5: Solve for x
    x = 546,124,397,283,246.56/20,030,147.70
  6. Step 6: Final answer
    x = 27,265,120.83

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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.