Home / 33,220,813.80-49,777,566.30-18,800,999.40

Finding the Fourth Proportional to 33,220,813.80, 49,777,566.30 and 18,800,999.40

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Solution

The fourth proportional to 33,220,813.80, 49,777,566.30 and 18,800,999.40 is: 28,171,133.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220,813.80 : 49,777,566.30 = 18,800,999.40 : x
  2. Step 2: Convert to fraction form
    33,220,813.80/49,777,566.30 = 18,800,999.40/x
  3. Step 3: Cross multiply
    33,220,813.80x = 49,777,566.30 × 18,800,999.40
  4. Step 4: Simplify right side
    33,220,813.80x = 935,867,994,139,760.12
  5. Step 5: Solve for x
    x = 935,867,994,139,760.12/33,220,813.80
  6. Step 6: Final answer
    x = 28,171,133.91

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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.