Home / 18,222,181.97-27,343,361.84-10,917,691.50

Finding the Fourth Proportional to 18,222,181.97, 27,343,361.84 and 10,917,691.50

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Solution

The fourth proportional to 18,222,181.97, 27,343,361.84 and 10,917,691.50 is: 16,382,581.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222,181.97 : 27,343,361.84 = 10,917,691.50 : x
  2. Step 2: Convert to fraction form
    18,222,181.97/27,343,361.84 = 10,917,691.50/x
  3. Step 3: Cross multiply
    18,222,181.97x = 27,343,361.84 × 10,917,691.50
  4. Step 4: Simplify right side
    18,222,181.97x = 298,526,389,087,403.94
  5. Step 5: Solve for x
    x = 298,526,389,087,403.94/18,222,181.97
  6. Step 6: Final answer
    x = 16,382,581.94

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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.