Home / 12,245,067.19-18,356,229.75-5,417,994.04

Finding the Fourth Proportional to 12,245,067.19, 18,356,229.75 and 5,417,994.04

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Solution

The fourth proportional to 12,245,067.19, 18,356,229.75 and 5,417,994.04 is: 8,121,959.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,245,067.19 : 18,356,229.75 = 5,417,994.04 : x
  2. Step 2: Convert to fraction form
    12,245,067.19/18,356,229.75 = 5,417,994.04/x
  3. Step 3: Cross multiply
    12,245,067.19x = 18,356,229.75 × 5,417,994.04
  4. Step 4: Simplify right side
    12,245,067.19x = 99,453,943,356,797.59
  5. Step 5: Solve for x
    x = 99,453,943,356,797.59/12,245,067.19
  6. Step 6: Final answer
    x = 8,121,959.79

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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.