Home / 28,394,107.72-39,137,963.88-22,188,370.48

Finding the Fourth Proportional to 28,394,107.72, 39,137,963.88 and 22,188,370.48

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Solution

The fourth proportional to 28,394,107.72, 39,137,963.88 and 22,188,370.48 is: 30,584,079.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,394,107.72 : 39,137,963.88 = 22,188,370.48 : x
  2. Step 2: Convert to fraction form
    28,394,107.72/39,137,963.88 = 22,188,370.48/x
  3. Step 3: Cross multiply
    28,394,107.72x = 39,137,963.88 × 22,188,370.48
  4. Step 4: Simplify right side
    28,394,107.72x = 868,407,642,402,298.38
  5. Step 5: Solve for x
    x = 868,407,642,402,298.38/28,394,107.72
  6. Step 6: Final answer
    x = 30,584,079.31

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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.