Home / 17,144,879.80-25,746,810.90-12,131,375.80

Finding the Fourth Proportional to 17,144,879.80, 25,746,810.90 and 12,131,375.80

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Solution

The fourth proportional to 17,144,879.80, 25,746,810.90 and 12,131,375.80 is: 18,217,931.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,144,879.80 : 25,746,810.90 = 12,131,375.80 : x
  2. Step 2: Convert to fraction form
    17,144,879.80/25,746,810.90 = 12,131,375.80/x
  3. Step 3: Cross multiply
    17,144,879.80x = 25,746,810.90 × 12,131,375.80
  4. Step 4: Simplify right side
    17,144,879.80x = 312,344,238,679,436.25
  5. Step 5: Solve for x
    x = 312,344,238,679,436.25/17,144,879.80
  6. Step 6: Final answer
    x = 18,217,931.09

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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.