Home / 9,479,538-13,081,771.08-5,187,186

Finding the Fourth Proportional to 9,479,538, 13,081,771.08 and 5,187,186

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Solution

The fourth proportional to 9,479,538, 13,081,771.08 and 5,187,186 is: 7,158,321.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479,538 : 13,081,771.08 = 5,187,186 : x
  2. Step 2: Convert to fraction form
    9,479,538/13,081,771.08 = 5,187,186/x
  3. Step 3: Cross multiply
    9,479,538x = 13,081,771.08 × 5,187,186
  4. Step 4: Simplify right side
    9,479,538x = 67,857,579,801,380.88
  5. Step 5: Solve for x
    x = 67,857,579,801,380.88/9,479,538
  6. Step 6: Final answer
    x = 7,158,321.41

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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.