Home / 13,204,843.80-19,795,745.70-5,123,333.40

Finding the Fourth Proportional to 13,204,843.80, 19,795,745.70 and 5,123,333.40

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Solution

The fourth proportional to 13,204,843.80, 19,795,745.70 and 5,123,333.40 is: 7,680,530.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204,843.80 : 19,795,745.70 = 5,123,333.40 : x
  2. Step 2: Convert to fraction form
    13,204,843.80/19,795,745.70 = 5,123,333.40/x
  3. Step 3: Cross multiply
    13,204,843.80x = 19,795,745.70 × 5,123,333.40
  4. Step 4: Simplify right side
    13,204,843.80x = 101,420,205,122,716.39
  5. Step 5: Solve for x
    x = 101,420,205,122,716.39/13,204,843.80
  6. Step 6: Final answer
    x = 7,680,530.47

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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.