Home / 12,286,650.24-16,958,949.48-7,131,672.54

Finding the Fourth Proportional to 12,286,650.24, 16,958,949.48 and 7,131,672.54

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Solution

The fourth proportional to 12,286,650.24, 16,958,949.48 and 7,131,672.54 is: 9,843,665.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,650.24 : 16,958,949.48 = 7,131,672.54 : x
  2. Step 2: Convert to fraction form
    12,286,650.24/16,958,949.48 = 7,131,672.54/x
  3. Step 3: Cross multiply
    12,286,650.24x = 16,958,949.48 × 7,131,672.54
  4. Step 4: Simplify right side
    12,286,650.24x = 120,945,674,313,763.28
  5. Step 5: Solve for x
    x = 120,945,674,313,763.28/12,286,650.24
  6. Step 6: Final answer
    x = 9,843,665.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.