Home / 20,434,517.93-30,651,777.66-8,304,928.13

Finding the Fourth Proportional to 20,434,517.93, 30,651,777.66 and 8,304,928.13

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Solution

The fourth proportional to 20,434,517.93, 30,651,777.66 and 8,304,928.13 is: 12,457,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,434,517.93 : 30,651,777.66 = 8,304,928.13 : x
  2. Step 2: Convert to fraction form
    20,434,517.93/30,651,777.66 = 8,304,928.13/x
  3. Step 3: Cross multiply
    20,434,517.93x = 30,651,777.66 × 8,304,928.13
  4. Step 4: Simplify right side
    20,434,517.93x = 254,560,810,523,039.56
  5. Step 5: Solve for x
    x = 254,560,810,523,039.56/20,434,517.93
  6. Step 6: Final answer
    x = 12,457,392.51

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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.