Home / 8,517,942.94-11,752,964.85-5,419,347.34

Finding the Fourth Proportional to 8,517,942.94, 11,752,964.85 and 5,419,347.34

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Solution

The fourth proportional to 8,517,942.94, 11,752,964.85 and 5,419,347.34 is: 7,477,556.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517,942.94 : 11,752,964.85 = 5,419,347.34 : x
  2. Step 2: Convert to fraction form
    8,517,942.94/11,752,964.85 = 5,419,347.34/x
  3. Step 3: Cross multiply
    8,517,942.94x = 11,752,964.85 × 5,419,347.34
  4. Step 4: Simplify right side
    8,517,942.94x = 63,693,398,796,960.99
  5. Step 5: Solve for x
    x = 63,693,398,796,960.99/8,517,942.94
  6. Step 6: Final answer
    x = 7,477,556.41

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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.