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Finding the Fourth Proportional to 11,241,914, 15,515,943 and 6,413,018

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Solution

The fourth proportional to 11,241,914, 15,515,943 and 6,413,018 is: 8,851,163.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,241,914 : 15,515,943 = 6,413,018 : x
  2. Step 2: Convert to fraction form
    11,241,914/15,515,943 = 6,413,018/x
  3. Step 3: Cross multiply
    11,241,914x = 15,515,943 × 6,413,018
  4. Step 4: Simplify right side
    11,241,914x = 99,504,021,745,974
  5. Step 5: Solve for x
    x = 99,504,021,745,974/11,241,914
  6. Step 6: Final answer
    x = 8,851,163.76

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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.