Home / 12,253,912.80-18,375,554.78-4,164,716.49

Finding the Fourth Proportional to 12,253,912.80, 18,375,554.78 and 4,164,716.49

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Solution

The fourth proportional to 12,253,912.80, 18,375,554.78 and 4,164,716.49 is: 6,245,268.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253,912.80 : 18,375,554.78 = 4,164,716.49 : x
  2. Step 2: Convert to fraction form
    12,253,912.80/18,375,554.78 = 4,164,716.49/x
  3. Step 3: Cross multiply
    12,253,912.80x = 18,375,554.78 × 4,164,716.49
  4. Step 4: Simplify right side
    12,253,912.80x = 76,528,976,005,164.33
  5. Step 5: Solve for x
    x = 76,528,976,005,164.33/12,253,912.80
  6. Step 6: Final answer
    x = 6,245,268.53

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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.