Home / 40,140,635.04-55,394,076.42-21,805,920.54

Finding the Fourth Proportional to 40,140,635.04, 55,394,076.42 and 21,805,920.54

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Solution

The fourth proportional to 40,140,635.04, 55,394,076.42 and 21,805,920.54 is: 30,092,170.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,140,635.04 : 55,394,076.42 = 21,805,920.54 : x
  2. Step 2: Convert to fraction form
    40,140,635.04/55,394,076.42 = 21,805,920.54/x
  3. Step 3: Cross multiply
    40,140,635.04x = 55,394,076.42 × 21,805,920.54
  4. Step 4: Simplify right side
    40,140,635.04x = 1,207,918,828,801,207.75
  5. Step 5: Solve for x
    x = 1,207,918,828,801,207.75/40,140,635.04
  6. Step 6: Final answer
    x = 30,092,170.38

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1.5x scale

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.