Home / 9,107,278.20-13,660,917.30-3,428,776.44

Finding the Fourth Proportional to 9,107,278.20, 13,660,917.30 and 3,428,776.44

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Solution

The fourth proportional to 9,107,278.20, 13,660,917.30 and 3,428,776.44 is: 5,143,164.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107,278.20 : 13,660,917.30 = 3,428,776.44 : x
  2. Step 2: Convert to fraction form
    9,107,278.20/13,660,917.30 = 3,428,776.44/x
  3. Step 3: Cross multiply
    9,107,278.20x = 13,660,917.30 × 3,428,776.44
  4. Step 4: Simplify right side
    9,107,278.20x = 46,840,231,387,028.41
  5. Step 5: Solve for x
    x = 46,840,231,387,028.41/9,107,278.20
  6. Step 6: Final answer
    x = 5,143,164.66

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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.