Home / 18,287,999.80-27,431,999.70-16,608,383.80

Finding the Fourth Proportional to 18,287,999.80, 27,431,999.70 and 16,608,383.80

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Solution

The fourth proportional to 18,287,999.80, 27,431,999.70 and 16,608,383.80 is: 24,912,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287,999.80 : 27,431,999.70 = 16,608,383.80 : x
  2. Step 2: Convert to fraction form
    18,287,999.80/27,431,999.70 = 16,608,383.80/x
  3. Step 3: Cross multiply
    18,287,999.80x = 27,431,999.70 × 16,608,383.80
  4. Step 4: Simplify right side
    18,287,999.80x = 455,601,179,419,084.88
  5. Step 5: Solve for x
    x = 455,601,179,419,084.88/18,287,999.80
  6. Step 6: Final answer
    x = 24,912,575.70

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1.5x scale

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.