Home / 20,214,200.15-30,321,300.23-9,452,519.90

Finding the Fourth Proportional to 20,214,200.15, 30,321,300.23 and 9,452,519.90

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Solution

The fourth proportional to 20,214,200.15, 30,321,300.23 and 9,452,519.90 is: 14,178,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214,200.15 : 30,321,300.23 = 9,452,519.90 : x
  2. Step 2: Convert to fraction form
    20,214,200.15/30,321,300.23 = 9,452,519.90/x
  3. Step 3: Cross multiply
    20,214,200.15x = 30,321,300.23 × 9,452,519.90
  4. Step 4: Simplify right side
    20,214,200.15x = 286,612,693,770,687
  5. Step 5: Solve for x
    x = 286,612,693,770,687/20,214,200.15
  6. Step 6: Final answer
    x = 14,178,779.85

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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.