Home / 18,379,076.54-25,370,975.82-13,084,189.56

Finding the Fourth Proportional to 18,379,076.54, 25,370,975.82 and 13,084,189.56

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Solution

The fourth proportional to 18,379,076.54, 25,370,975.82 and 13,084,189.56 is: 18,061,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,379,076.54 : 25,370,975.82 = 13,084,189.56 : x
  2. Step 2: Convert to fraction form
    18,379,076.54/25,370,975.82 = 13,084,189.56/x
  3. Step 3: Cross multiply
    18,379,076.54x = 25,370,975.82 × 13,084,189.56
  4. Step 4: Simplify right side
    18,379,076.54x = 331,958,656,951,056.44
  5. Step 5: Solve for x
    x = 331,958,656,951,056.44/18,379,076.54
  6. Step 6: Final answer
    x = 18,061,770.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.