Home / 21,633,716.09-32,454,904.40-7,986,945.44

Finding the Fourth Proportional to 21,633,716.09, 32,454,904.40 and 7,986,945.44

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Solution

The fourth proportional to 21,633,716.09, 32,454,904.40 and 7,986,945.44 is: 11,982,016.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,633,716.09 : 32,454,904.40 = 7,986,945.44 : x
  2. Step 2: Convert to fraction form
    21,633,716.09/32,454,904.40 = 7,986,945.44/x
  3. Step 3: Cross multiply
    21,633,716.09x = 32,454,904.40 × 7,986,945.44
  4. Step 4: Simplify right side
    21,633,716.09x = 259,215,550,774,369.50
  5. Step 5: Solve for x
    x = 259,215,550,774,369.50/21,633,716.09
  6. Step 6: Final answer
    x = 11,982,016.85

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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.