Home / 20,049,821.46-30,081,209.13-9,274,190.90

Finding the Fourth Proportional to 20,049,821.46, 30,081,209.13 and 9,274,190.90

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Solution

The fourth proportional to 20,049,821.46, 30,081,209.13 and 9,274,190.90 is: 13,914,282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049,821.46 : 30,081,209.13 = 9,274,190.90 : x
  2. Step 2: Convert to fraction form
    20,049,821.46/30,081,209.13 = 9,274,190.90/x
  3. Step 3: Cross multiply
    20,049,821.46x = 30,081,209.13 × 9,274,190.90
  4. Step 4: Simplify right side
    20,049,821.46x = 278,978,875,824,036.84
  5. Step 5: Solve for x
    x = 278,978,875,824,036.84/20,049,821.46
  6. Step 6: Final answer
    x = 13,914,282.30

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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.