Home / 18,482,179.72-27,666,517.65-11,626,654

Finding the Fourth Proportional to 18,482,179.72, 27,666,517.65 and 11,626,654

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Solution

The fourth proportional to 18,482,179.72, 27,666,517.65 and 11,626,654 is: 17,404,279.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,482,179.72 : 27,666,517.65 = 11,626,654 : x
  2. Step 2: Convert to fraction form
    18,482,179.72/27,666,517.65 = 11,626,654/x
  3. Step 3: Cross multiply
    18,482,179.72x = 27,666,517.65 × 11,626,654
  4. Step 4: Simplify right side
    18,482,179.72x = 321,669,028,101,443.06
  5. Step 5: Solve for x
    x = 321,669,028,101,443.06/18,482,179.72
  6. Step 6: Final answer
    x = 17,404,279.85

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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.