Home / 13,979,680.20-20,969,520.30-3,882,301.20

Finding the Fourth Proportional to 13,979,680.20, 20,969,520.30 and 3,882,301.20

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Solution

The fourth proportional to 13,979,680.20, 20,969,520.30 and 3,882,301.20 is: 5,823,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979,680.20 : 20,969,520.30 = 3,882,301.20 : x
  2. Step 2: Convert to fraction form
    13,979,680.20/20,969,520.30 = 3,882,301.20/x
  3. Step 3: Cross multiply
    13,979,680.20x = 20,969,520.30 × 3,882,301.20
  4. Step 4: Simplify right side
    13,979,680.20x = 81,409,993,824,114.36
  5. Step 5: Solve for x
    x = 81,409,993,824,114.36/13,979,680.20
  6. Step 6: Final answer
    x = 5,823,451.80

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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.