Home / 39,332,191.90-54,278,652.27-21,929,620.54

Finding the Fourth Proportional to 39,332,191.90, 54,278,652.27 and 21,929,620.54

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Solution

The fourth proportional to 39,332,191.90, 54,278,652.27 and 21,929,620.54 is: 30,263,003.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,332,191.90 : 54,278,652.27 = 21,929,620.54 : x
  2. Step 2: Convert to fraction form
    39,332,191.90/54,278,652.27 = 21,929,620.54/x
  3. Step 3: Cross multiply
    39,332,191.90x = 54,278,652.27 × 21,929,620.54
  4. Step 4: Simplify right side
    39,332,191.90x = 1,190,310,247,703,709.75
  5. Step 5: Solve for x
    x = 1,190,310,247,703,709.75/39,332,191.90
  6. Step 6: Final answer
    x = 30,263,003.16

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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.