Home / 17,144,940.80-25,746,902.40-12,131,436.80

Finding the Fourth Proportional to 17,144,940.80, 25,746,902.40 and 12,131,436.80

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Solution

The fourth proportional to 17,144,940.80, 25,746,902.40 and 12,131,436.80 is: 18,218,022.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,144,940.80 : 25,746,902.40 = 12,131,436.80 : x
  2. Step 2: Convert to fraction form
    17,144,940.80/25,746,902.40 = 12,131,436.80/x
  3. Step 3: Cross multiply
    17,144,940.80x = 25,746,902.40 × 12,131,436.80
  4. Step 4: Simplify right side
    17,144,940.80x = 312,346,919,261,368.31
  5. Step 5: Solve for x
    x = 312,346,919,261,368.31/17,144,940.80
  6. Step 6: Final answer
    x = 18,218,022.62

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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.