Home / 33,199,612.20-49,799,418.30-20,378,543.40

Finding the Fourth Proportional to 33,199,612.20, 49,799,418.30 and 20,378,543.40

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Solution

The fourth proportional to 33,199,612.20, 49,799,418.30 and 20,378,543.40 is: 30,567,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,199,612.20 : 49,799,418.30 = 20,378,543.40 : x
  2. Step 2: Convert to fraction form
    33,199,612.20/49,799,418.30 = 20,378,543.40/x
  3. Step 3: Cross multiply
    33,199,612.20x = 49,799,418.30 × 20,378,543.40
  4. Step 4: Simplify right side
    33,199,612.20x = 1,014,839,607,121,304.12
  5. Step 5: Solve for x
    x = 1,014,839,607,121,304.12/33,199,612.20
  6. Step 6: Final answer
    x = 30,567,815.10

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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.