Home / 18,154,839.60-27,208,348.20-13,339,940.40

Finding the Fourth Proportional to 18,154,839.60, 27,208,348.20 and 13,339,940.40

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Solution

The fourth proportional to 18,154,839.60, 27,208,348.20 and 13,339,940.40 is: 19,992,340.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154,839.60 : 27,208,348.20 = 13,339,940.40 : x
  2. Step 2: Convert to fraction form
    18,154,839.60/27,208,348.20 = 13,339,940.40/x
  3. Step 3: Cross multiply
    18,154,839.60x = 27,208,348.20 × 13,339,940.40
  4. Step 4: Simplify right side
    18,154,839.60x = 362,957,743,370,447.25
  5. Step 5: Solve for x
    x = 362,957,743,370,447.25/18,154,839.60
  6. Step 6: Final answer
    x = 19,992,340.96

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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.