Home / 10,279,654.25-15,408,630.81-3,449,751.66

Finding the Fourth Proportional to 10,279,654.25, 15,408,630.81 and 3,449,751.66

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Solution

The fourth proportional to 10,279,654.25, 15,408,630.81 and 3,449,751.66 is: 5,170,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279,654.25 : 15,408,630.81 = 3,449,751.66 : x
  2. Step 2: Convert to fraction form
    10,279,654.25/15,408,630.81 = 3,449,751.66/x
  3. Step 3: Cross multiply
    10,279,654.25x = 15,408,630.81 × 3,449,751.66
  4. Step 4: Simplify right side
    10,279,654.25x = 53,155,949,715,124.65
  5. Step 5: Solve for x
    x = 53,155,949,715,124.65/10,279,654.25
  6. Step 6: Final answer
    x = 5,170,986.15

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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.