Home / 11,738,239.38-16,198,935.80-7,091,378.33

Finding the Fourth Proportional to 11,738,239.38, 16,198,935.80 and 7,091,378.33

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Solution

The fourth proportional to 11,738,239.38, 16,198,935.80 and 7,091,378.33 is: 9,786,202.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,738,239.38 : 16,198,935.80 = 7,091,378.33 : x
  2. Step 2: Convert to fraction form
    11,738,239.38/16,198,935.80 = 7,091,378.33/x
  3. Step 3: Cross multiply
    11,738,239.38x = 16,198,935.80 × 7,091,378.33
  4. Step 4: Simplify right side
    11,738,239.38x = 114,872,782,184,729.64
  5. Step 5: Solve for x
    x = 114,872,782,184,729.64/11,738,239.38
  6. Step 6: Final answer
    x = 9,786,202.04

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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.