Home / 39,389,847.44-54,357,854.37-21,986,040.42

Finding the Fourth Proportional to 39,389,847.44, 54,357,854.37 and 21,986,040.42

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Solution

The fourth proportional to 39,389,847.44, 54,357,854.37 and 21,986,040.42 is: 30,340,660.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,389,847.44 : 54,357,854.37 = 21,986,040.42 : x
  2. Step 2: Convert to fraction form
    39,389,847.44/54,357,854.37 = 21,986,040.42/x
  3. Step 3: Cross multiply
    39,389,847.44x = 54,357,854.37 × 21,986,040.42
  4. Step 4: Simplify right side
    39,389,847.44x = 1,195,113,983,323,293.75
  5. Step 5: Solve for x
    x = 1,195,113,983,323,293.75/39,389,847.44
  6. Step 6: Final answer
    x = 30,340,660.38

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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.