Home / 18,436,523.40-27,654,785.10-12,696,960.60

Finding the Fourth Proportional to 18,436,523.40, 27,654,785.10 and 12,696,960.60

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Solution

The fourth proportional to 18,436,523.40, 27,654,785.10 and 12,696,960.60 is: 19,045,440.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436,523.40 : 27,654,785.10 = 12,696,960.60 : x
  2. Step 2: Convert to fraction form
    18,436,523.40/27,654,785.10 = 12,696,960.60/x
  3. Step 3: Cross multiply
    18,436,523.40x = 27,654,785.10 × 12,696,960.60
  4. Step 4: Simplify right side
    18,436,523.40x = 351,131,716,816,167.06
  5. Step 5: Solve for x
    x = 351,131,716,816,167.06/18,436,523.40
  6. Step 6: Final answer
    x = 19,045,440.90

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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.