Home / 18,722,200.85-28,086,411.68-7,363,020.05

Finding the Fourth Proportional to 18,722,200.85, 28,086,411.68 and 7,363,020.05

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Solution

The fourth proportional to 18,722,200.85, 28,086,411.68 and 7,363,020.05 is: 11,045,753.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,200.85 : 28,086,411.68 = 7,363,020.05 : x
  2. Step 2: Convert to fraction form
    18,722,200.85/28,086,411.68 = 7,363,020.05/x
  3. Step 3: Cross multiply
    18,722,200.85x = 28,086,411.68 × 7,363,020.05
  4. Step 4: Simplify right side
    18,722,200.85x = 206,800,812,295,579.09
  5. Step 5: Solve for x
    x = 206,800,812,295,579.09/18,722,200.85
  6. Step 6: Final answer
    x = 11,045,753.33

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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.