Home / 7,809,067.29-11,698,346.57-5,379,791.43

Finding the Fourth Proportional to 7,809,067.29, 11,698,346.57 and 5,379,791.43

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Solution

The fourth proportional to 7,809,067.29, 11,698,346.57 and 5,379,791.43 is: 8,059,178.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,809,067.29 : 11,698,346.57 = 5,379,791.43 : x
  2. Step 2: Convert to fraction form
    7,809,067.29/11,698,346.57 = 5,379,791.43/x
  3. Step 3: Cross multiply
    7,809,067.29x = 11,698,346.57 × 5,379,791.43
  4. Step 4: Simplify right side
    7,809,067.29x = 62,934,664,595,556.93
  5. Step 5: Solve for x
    x = 62,934,664,595,556.93/7,809,067.29
  6. Step 6: Final answer
    x = 8,059,178.17

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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.