Home / 13,469,863.83-20,206,121.31-3,621,804.72

Finding the Fourth Proportional to 13,469,863.83, 20,206,121.31 and 3,621,804.72

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Solution

The fourth proportional to 13,469,863.83, 20,206,121.31 and 3,621,804.72 is: 5,433,063.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469,863.83 : 20,206,121.31 = 3,621,804.72 : x
  2. Step 2: Convert to fraction form
    13,469,863.83/20,206,121.31 = 3,621,804.72/x
  3. Step 3: Cross multiply
    13,469,863.83x = 20,206,121.31 × 3,621,804.72
  4. Step 4: Simplify right side
    13,469,863.83x = 73,182,625,533,450.58
  5. Step 5: Solve for x
    x = 73,182,625,533,450.58/13,469,863.83
  6. Step 6: Final answer
    x = 5,433,063.50

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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.