Home / 10,389,039.20-15,583,558.80-3,202,775.90

Finding the Fourth Proportional to 10,389,039.20, 15,583,558.80 and 3,202,775.90

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Solution

The fourth proportional to 10,389,039.20, 15,583,558.80 and 3,202,775.90 is: 4,804,163.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389,039.20 : 15,583,558.80 = 3,202,775.90 : x
  2. Step 2: Convert to fraction form
    10,389,039.20/15,583,558.80 = 3,202,775.90/x
  3. Step 3: Cross multiply
    10,389,039.20x = 15,583,558.80 × 3,202,775.90
  4. Step 4: Simplify right side
    10,389,039.20x = 49,910,646,560,872.92
  5. Step 5: Solve for x
    x = 49,910,646,560,872.92/10,389,039.20
  6. Step 6: Final answer
    x = 4,804,163.85

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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.