Home / 20,049,819.95-30,081,206.88-9,274,189.39

Finding the Fourth Proportional to 20,049,819.95, 30,081,206.88 and 9,274,189.39

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Solution

The fourth proportional to 20,049,819.95, 30,081,206.88 and 9,274,189.39 is: 13,914,280.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049,819.95 : 30,081,206.88 = 9,274,189.39 : x
  2. Step 2: Convert to fraction form
    20,049,819.95/30,081,206.88 = 9,274,189.39/x
  3. Step 3: Cross multiply
    20,049,819.95x = 30,081,206.88 × 9,274,189.39
  4. Step 4: Simplify right side
    20,049,819.95x = 278,978,809,609,687.97
  5. Step 5: Solve for x
    x = 278,978,809,609,687.97/20,049,819.95
  6. Step 6: Final answer
    x = 13,914,280.04

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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.