Home / 7,800,680.95-11,702,617.32-2,682,446.11

Finding the Fourth Proportional to 7,800,680.95, 11,702,617.32 and 2,682,446.11

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Solution

The fourth proportional to 7,800,680.95, 11,702,617.32 and 2,682,446.11 is: 4,024,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800,680.95 : 11,702,617.32 = 2,682,446.11 : x
  2. Step 2: Convert to fraction form
    7,800,680.95/11,702,617.32 = 2,682,446.11/x
  3. Step 3: Cross multiply
    7,800,680.95x = 11,702,617.32 × 2,682,446.11
  4. Step 4: Simplify right side
    7,800,680.95x = 31,391,640,306,852.62
  5. Step 5: Solve for x
    x = 31,391,640,306,852.62/7,800,680.95
  6. Step 6: Final answer
    x = 4,024,217.95

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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.