Home / 39,438,212.40-54,419,322.96-22,032,394.56

Finding the Fourth Proportional to 39,438,212.40, 54,419,322.96 and 22,032,394.56

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Solution

The fourth proportional to 39,438,212.40, 54,419,322.96 and 22,032,394.56 is: 30,401,682.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,438,212.40 : 54,419,322.96 = 22,032,394.56 : x
  2. Step 2: Convert to fraction form
    39,438,212.40/54,419,322.96 = 22,032,394.56/x
  3. Step 3: Cross multiply
    39,438,212.40x = 54,419,322.96 × 22,032,394.56
  4. Step 4: Simplify right side
    39,438,212.40x = 1,198,987,995,142,787
  5. Step 5: Solve for x
    x = 1,198,987,995,142,787/39,438,212.40
  6. Step 6: Final answer
    x = 30,401,682.08

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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.