Home / 6,859,071.72-9,465,198.57-3,959,396.91

Finding the Fourth Proportional to 6,859,071.72, 9,465,198.57 and 3,959,396.91

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Solution

The fourth proportional to 6,859,071.72, 9,465,198.57 and 3,959,396.91 is: 5,463,782.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859,071.72 : 9,465,198.57 = 3,959,396.91 : x
  2. Step 2: Convert to fraction form
    6,859,071.72/9,465,198.57 = 3,959,396.91/x
  3. Step 3: Cross multiply
    6,859,071.72x = 9,465,198.57 × 3,959,396.91
  4. Step 4: Simplify right side
    6,859,071.72x = 37,476,477,970,594.42
  5. Step 5: Solve for x
    x = 37,476,477,970,594.42/6,859,071.72
  6. Step 6: Final answer
    x = 5,463,782.78

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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.