Home / 7,882,850.80-11,826,025.80-3,621,991.60

Finding the Fourth Proportional to 7,882,850.80, 11,826,025.80 and 3,621,991.60

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Solution

The fourth proportional to 7,882,850.80, 11,826,025.80 and 3,621,991.60 is: 5,433,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882,850.80 : 11,826,025.80 = 3,621,991.60 : x
  2. Step 2: Convert to fraction form
    7,882,850.80/11,826,025.80 = 3,621,991.60/x
  3. Step 3: Cross multiply
    7,882,850.80x = 11,826,025.80 × 3,621,991.60
  4. Step 4: Simplify right side
    7,882,850.80x = 42,833,766,108,983.28
  5. Step 5: Solve for x
    x = 42,833,766,108,983.28/7,882,850.80
  6. Step 6: Final answer
    x = 5,433,791.30

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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.