Home / 33,215,111.20-49,822,666.80-20,394,042.40

Finding the Fourth Proportional to 33,215,111.20, 49,822,666.80 and 20,394,042.40

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Solution

The fourth proportional to 33,215,111.20, 49,822,666.80 and 20,394,042.40 is: 30,591,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,215,111.20 : 49,822,666.80 = 20,394,042.40 : x
  2. Step 2: Convert to fraction form
    33,215,111.20/49,822,666.80 = 20,394,042.40/x
  3. Step 3: Cross multiply
    33,215,111.20x = 49,822,666.80 × 20,394,042.40
  4. Step 4: Simplify right side
    33,215,111.20x = 1,016,085,579,200,272.12
  5. Step 5: Solve for x
    x = 1,016,085,579,200,272.12/33,215,111.20
  6. Step 6: Final answer
    x = 30,591,063.60

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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.