Home / 11,789,247.42-17,682,858.16-7,177,036.68

Finding the Fourth Proportional to 11,789,247.42, 17,682,858.16 and 7,177,036.68

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Solution

The fourth proportional to 11,789,247.42, 17,682,858.16 and 7,177,036.68 is: 10,764,938.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789,247.42 : 17,682,858.16 = 7,177,036.68 : x
  2. Step 2: Convert to fraction form
    11,789,247.42/17,682,858.16 = 7,177,036.68/x
  3. Step 3: Cross multiply
    11,789,247.42x = 17,682,858.16 × 7,177,036.68
  4. Step 4: Simplify right side
    11,789,247.42x = 126,910,521,621,557.30
  5. Step 5: Solve for x
    x = 126,910,521,621,557.30/11,789,247.42
  6. Step 6: Final answer
    x = 10,764,938.35

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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.