Home / 18,171,943.82-27,275,872.56-7,943,863.46

Finding the Fourth Proportional to 18,171,943.82, 27,275,872.56 and 7,943,863.46

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Solution

The fourth proportional to 18,171,943.82, 27,275,872.56 and 7,943,863.46 is: 11,923,645.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171,943.82 : 27,275,872.56 = 7,943,863.46 : x
  2. Step 2: Convert to fraction form
    18,171,943.82/27,275,872.56 = 7,943,863.46/x
  3. Step 3: Cross multiply
    18,171,943.82x = 27,275,872.56 × 7,943,863.46
  4. Step 4: Simplify right side
    18,171,943.82x = 216,675,807,232,621.28
  5. Step 5: Solve for x
    x = 216,675,807,232,621.28/18,171,943.82
  6. Step 6: Final answer
    x = 11,923,645.01

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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.