Home / 11,163,175.69-16,720,350.42-7,914,867.11

Finding the Fourth Proportional to 11,163,175.69, 16,720,350.42 and 7,914,867.11

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Solution

The fourth proportional to 11,163,175.69, 16,720,350.42 and 7,914,867.11 is: 11,854,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163,175.69 : 16,720,350.42 = 7,914,867.11 : x
  2. Step 2: Convert to fraction form
    11,163,175.69/16,720,350.42 = 7,914,867.11/x
  3. Step 3: Cross multiply
    11,163,175.69x = 16,720,350.42 × 7,914,867.11
  4. Step 4: Simplify right side
    11,163,175.69x = 132,339,351,606,932.69
  5. Step 5: Solve for x
    x = 132,339,351,606,932.69/11,163,175.69
  6. Step 6: Final answer
    x = 11,854,991.39

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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.