Home / 13,752,145.20-20,628,217.80-3,654,766.20

Finding the Fourth Proportional to 13,752,145.20, 20,628,217.80 and 3,654,766.20

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Solution

The fourth proportional to 13,752,145.20, 20,628,217.80 and 3,654,766.20 is: 5,482,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752,145.20 : 20,628,217.80 = 3,654,766.20 : x
  2. Step 2: Convert to fraction form
    13,752,145.20/20,628,217.80 = 3,654,766.20/x
  3. Step 3: Cross multiply
    13,752,145.20x = 20,628,217.80 × 3,654,766.20
  4. Step 4: Simplify right side
    13,752,145.20x = 75,391,313,181,678.36
  5. Step 5: Solve for x
    x = 75,391,313,181,678.36/13,752,145.20
  6. Step 6: Final answer
    x = 5,482,149.30

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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.