Home / 38,692,481.54-53,394,523.43-21,288,838.55

Finding the Fourth Proportional to 38,692,481.54, 53,394,523.43 and 21,288,838.55

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Solution

The fourth proportional to 38,692,481.54, 53,394,523.43 and 21,288,838.55 is: 29,377,991.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,692,481.54 : 53,394,523.43 = 21,288,838.55 : x
  2. Step 2: Convert to fraction form
    38,692,481.54/53,394,523.43 = 21,288,838.55/x
  3. Step 3: Cross multiply
    38,692,481.54x = 53,394,523.43 × 21,288,838.55
  4. Step 4: Simplify right side
    38,692,481.54x = 1,136,707,388,382,045.50
  5. Step 5: Solve for x
    x = 1,136,707,388,382,045.50/38,692,481.54
  6. Step 6: Final answer
    x = 29,377,991.36

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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.