Home / 10,131,322.33-13,981,229.40-5,485,107.34

Finding the Fourth Proportional to 10,131,322.33, 13,981,229.40 and 5,485,107.34

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Solution

The fourth proportional to 10,131,322.33, 13,981,229.40 and 5,485,107.34 is: 7,569,450.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131,322.33 : 13,981,229.40 = 5,485,107.34 : x
  2. Step 2: Convert to fraction form
    10,131,322.33/13,981,229.40 = 5,485,107.34/x
  3. Step 3: Cross multiply
    10,131,322.33x = 13,981,229.40 × 5,485,107.34
  4. Step 4: Simplify right side
    10,131,322.33x = 76,688,544,004,163.80
  5. Step 5: Solve for x
    x = 76,688,544,004,163.80/10,131,322.33
  6. Step 6: Final answer
    x = 7,569,450.61

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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.