Home / 13,608,046.20-20,412,069.30-11,057,129.40

Finding the Fourth Proportional to 13,608,046.20, 20,412,069.30 and 11,057,129.40

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Solution

The fourth proportional to 13,608,046.20, 20,412,069.30 and 11,057,129.40 is: 16,585,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,046.20 : 20,412,069.30 = 11,057,129.40 : x
  2. Step 2: Convert to fraction form
    13,608,046.20/20,412,069.30 = 11,057,129.40/x
  3. Step 3: Cross multiply
    13,608,046.20x = 20,412,069.30 × 11,057,129.40
  4. Step 4: Simplify right side
    13,608,046.20x = 225,698,891,571,867.44
  5. Step 5: Solve for x
    x = 225,698,891,571,867.44/13,608,046.20
  6. Step 6: Final answer
    x = 16,585,694.10

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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.