Home / 13,942,823.60-20,914,235.40-12,986,229.80

Finding the Fourth Proportional to 13,942,823.60, 20,914,235.40 and 12,986,229.80

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Solution

The fourth proportional to 13,942,823.60, 20,914,235.40 and 12,986,229.80 is: 19,479,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942,823.60 : 20,914,235.40 = 12,986,229.80 : x
  2. Step 2: Convert to fraction form
    13,942,823.60/20,914,235.40 = 12,986,229.80/x
  3. Step 3: Cross multiply
    13,942,823.60x = 20,914,235.40 × 12,986,229.80
  4. Step 4: Simplify right side
    13,942,823.60x = 271,597,066,995,694.91
  5. Step 5: Solve for x
    x = 271,597,066,995,694.91/13,942,823.60
  6. Step 6: Final answer
    x = 19,479,344.70

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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.