Home / 39,203,321.82-54,100,629.06-21,799,293.37

Finding the Fourth Proportional to 39,203,321.82, 54,100,629.06 and 21,799,293.37

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Solution

The fourth proportional to 39,203,321.82, 54,100,629.06 and 21,799,293.37 is: 30,083,049.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,203,321.82 : 54,100,629.06 = 21,799,293.37 : x
  2. Step 2: Convert to fraction form
    39,203,321.82/54,100,629.06 = 21,799,293.37/x
  3. Step 3: Cross multiply
    39,203,321.82x = 54,100,629.06 × 21,799,293.37
  4. Step 4: Simplify right side
    39,203,321.82x = 1,179,355,484,380,487.50
  5. Step 5: Solve for x
    x = 1,179,355,484,380,487.50/39,203,321.82
  6. Step 6: Final answer
    x = 30,083,049.84

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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.