Home / 33,212,517.20-49,818,775.80-20,391,448.40

Finding the Fourth Proportional to 33,212,517.20, 49,818,775.80 and 20,391,448.40

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Solution

The fourth proportional to 33,212,517.20, 49,818,775.80 and 20,391,448.40 is: 30,587,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,212,517.20 : 49,818,775.80 = 20,391,448.40 : x
  2. Step 2: Convert to fraction form
    33,212,517.20/49,818,775.80 = 20,391,448.40/x
  3. Step 3: Cross multiply
    33,212,517.20x = 49,818,775.80 × 20,391,448.40
  4. Step 4: Simplify right side
    33,212,517.20x = 1,015,876,996,076,868.62
  5. Step 5: Solve for x
    x = 1,015,876,996,076,868.62/33,212,517.20
  6. Step 6: Final answer
    x = 30,587,172.60

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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.