Home / 20,412,921-30,614,544.46-5,839,391.16

Finding the Fourth Proportional to 20,412,921, 30,614,544.46 and 5,839,391.16

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Solution

The fourth proportional to 20,412,921, 30,614,544.46 and 5,839,391.16 is: 8,757,703.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,412,921 : 30,614,544.46 = 5,839,391.16 : x
  2. Step 2: Convert to fraction form
    20,412,921/30,614,544.46 = 5,839,391.16/x
  3. Step 3: Cross multiply
    20,412,921x = 30,614,544.46 × 5,839,391.16
  4. Step 4: Simplify right side
    20,412,921x = 178,770,300,287,150.97
  5. Step 5: Solve for x
    x = 178,770,300,287,150.97/20,412,921
  6. Step 6: Final answer
    x = 8,757,703.04

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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.