Home / 39,608,793.93-54,659,321.10-21,964,849.23

Finding the Fourth Proportional to 39,608,793.93, 54,659,321.10 and 21,964,849.23

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Solution

The fourth proportional to 39,608,793.93, 54,659,321.10 and 21,964,849.23 is: 30,311,040.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,608,793.93 : 54,659,321.10 = 21,964,849.23 : x
  2. Step 2: Convert to fraction form
    39,608,793.93/54,659,321.10 = 21,964,849.23/x
  3. Step 3: Cross multiply
    39,608,793.93x = 54,659,321.10 × 21,964,849.23
  4. Step 4: Simplify right side
    39,608,793.93x = 1,200,583,746,975,657.75
  5. Step 5: Solve for x
    x = 1,200,583,746,975,657.75/39,608,793.93
  6. Step 6: Final answer
    x = 30,311,040.25

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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.