Home / 17,144,936.80-25,746,896.40-12,131,432.80

Finding the Fourth Proportional to 17,144,936.80, 25,746,896.40 and 12,131,432.80

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Solution

The fourth proportional to 17,144,936.80, 25,746,896.40 and 12,131,432.80 is: 18,218,016.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,144,936.80 : 25,746,896.40 = 12,131,432.80 : x
  2. Step 2: Convert to fraction form
    17,144,936.80/25,746,896.40 = 12,131,432.80/x
  3. Step 3: Cross multiply
    17,144,936.80x = 25,746,896.40 × 12,131,432.80
  4. Step 4: Simplify right side
    17,144,936.80x = 312,346,743,485,161.94
  5. Step 5: Solve for x
    x = 312,346,743,485,161.94/17,144,936.80
  6. Step 6: Final answer
    x = 18,218,016.61

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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.