Home / 10,279,655.25-15,408,632.31-3,449,752.66

Finding the Fourth Proportional to 10,279,655.25, 15,408,632.31 and 3,449,752.66

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Solution

The fourth proportional to 10,279,655.25, 15,408,632.31 and 3,449,752.66 is: 5,170,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279,655.25 : 15,408,632.31 = 3,449,752.66 : x
  2. Step 2: Convert to fraction form
    10,279,655.25/15,408,632.31 = 3,449,752.66/x
  3. Step 3: Cross multiply
    10,279,655.25x = 15,408,632.31 × 3,449,752.66
  4. Step 4: Simplify right side
    10,279,655.25x = 53,155,970,298,384.45
  5. Step 5: Solve for x
    x = 53,155,970,298,384.45/10,279,655.25
  6. Step 6: Final answer
    x = 5,170,987.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.