Home / 17,145,036.80-25,747,046.40-12,131,532.80

Finding the Fourth Proportional to 17,145,036.80, 25,747,046.40 and 12,131,532.80

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Solution

The fourth proportional to 17,145,036.80, 25,747,046.40 and 12,131,532.80 is: 18,218,166.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,145,036.80 : 25,747,046.40 = 12,131,532.80 : x
  2. Step 2: Convert to fraction form
    17,145,036.80/25,747,046.40 = 12,131,532.80/x
  3. Step 3: Cross multiply
    17,145,036.80x = 25,747,046.40 × 12,131,532.80
  4. Step 4: Simplify right side
    17,145,036.80x = 312,351,137,904,721.94
  5. Step 5: Solve for x
    x = 312,351,137,904,721.94/17,145,036.80
  6. Step 6: Final answer
    x = 18,218,166.67

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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.