Home / 33,215,979.20-49,823,968.80-20,394,910.40

Finding the Fourth Proportional to 33,215,979.20, 49,823,968.80 and 20,394,910.40

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Solution

The fourth proportional to 33,215,979.20, 49,823,968.80 and 20,394,910.40 is: 30,592,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,215,979.20 : 49,823,968.80 = 20,394,910.40 : x
  2. Step 2: Convert to fraction form
    33,215,979.20/49,823,968.80 = 20,394,910.40/x
  3. Step 3: Cross multiply
    33,215,979.20x = 49,823,968.80 × 20,394,910.40
  4. Step 4: Simplify right side
    33,215,979.20x = 1,016,155,379,448,395.38
  5. Step 5: Solve for x
    x = 1,016,155,379,448,395.38/33,215,979.20
  6. Step 6: Final answer
    x = 30,592,365.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.