Home / 8,189,692.20-12,284,538.30-7,268,527.80

Finding the Fourth Proportional to 8,189,692.20, 12,284,538.30 and 7,268,527.80

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Solution

The fourth proportional to 8,189,692.20, 12,284,538.30 and 7,268,527.80 is: 10,902,791.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,692.20 : 12,284,538.30 = 7,268,527.80 : x
  2. Step 2: Convert to fraction form
    8,189,692.20/12,284,538.30 = 7,268,527.80/x
  3. Step 3: Cross multiply
    8,189,692.20x = 12,284,538.30 × 7,268,527.80
  4. Step 4: Simplify right side
    8,189,692.20x = 89,290,508,143,714.75
  5. Step 5: Solve for x
    x = 89,290,508,143,714.75/8,189,692.20
  6. Step 6: Final answer
    x = 10,902,791.70

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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.