Home / 7,722,409.60-11,587,761.60-3,235,139.20

Finding the Fourth Proportional to 7,722,409.60, 11,587,761.60 and 3,235,139.20

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Solution

The fourth proportional to 7,722,409.60, 11,587,761.60 and 3,235,139.20 is: 4,854,446.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722,409.60 : 11,587,761.60 = 3,235,139.20 : x
  2. Step 2: Convert to fraction form
    7,722,409.60/11,587,761.60 = 3,235,139.20/x
  3. Step 3: Cross multiply
    7,722,409.60x = 11,587,761.60 × 3,235,139.20
  4. Step 4: Simplify right side
    7,722,409.60x = 37,488,021,792,414.72
  5. Step 5: Solve for x
    x = 37,488,021,792,414.72/7,722,409.60
  6. Step 6: Final answer
    x = 4,854,446.18

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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.