Home / 20,469,723.14-30,571,871.14-18,546,792.41

Finding the Fourth Proportional to 20,469,723.14, 30,571,871.14 and 18,546,792.41

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Solution

The fourth proportional to 20,469,723.14, 30,571,871.14 and 18,546,792.41 is: 27,699,942.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,469,723.14 : 30,571,871.14 = 18,546,792.41 : x
  2. Step 2: Convert to fraction form
    20,469,723.14/30,571,871.14 = 18,546,792.41/x
  3. Step 3: Cross multiply
    20,469,723.14x = 30,571,871.14 × 18,546,792.41
  4. Step 4: Simplify right side
    20,469,723.14x = 567,010,147,618,850.12
  5. Step 5: Solve for x
    x = 567,010,147,618,850.12/20,469,723.14
  6. Step 6: Final answer
    x = 27,699,942.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.