Home / 12,507,826.50-18,764,974.38-7,324,813.32

Finding the Fourth Proportional to 12,507,826.50, 18,764,974.38 and 7,324,813.32

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Solution

The fourth proportional to 12,507,826.50, 18,764,974.38 and 7,324,813.32 is: 10,989,114.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507,826.50 : 18,764,974.38 = 7,324,813.32 : x
  2. Step 2: Convert to fraction form
    12,507,826.50/18,764,974.38 = 7,324,813.32/x
  3. Step 3: Cross multiply
    12,507,826.50x = 18,764,974.38 × 7,324,813.32
  4. Step 4: Simplify right side
    12,507,826.50x = 137,449,934,288,082.73
  5. Step 5: Solve for x
    x = 137,449,934,288,082.73/12,507,826.50
  6. Step 6: Final answer
    x = 10,989,114.24

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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.