Home / 7,222,868.54-9,967,557.18-3,959,706.38

Finding the Fourth Proportional to 7,222,868.54, 9,967,557.18 and 3,959,706.38

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Solution

The fourth proportional to 7,222,868.54, 9,967,557.18 and 3,959,706.38 is: 5,464,394.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222,868.54 : 9,967,557.18 = 3,959,706.38 : x
  2. Step 2: Convert to fraction form
    7,222,868.54/9,967,557.18 = 3,959,706.38/x
  3. Step 3: Cross multiply
    7,222,868.54x = 9,967,557.18 × 3,959,706.38
  4. Step 4: Simplify right side
    7,222,868.54x = 39,468,599,758,660.80
  5. Step 5: Solve for x
    x = 39,468,599,758,660.80/7,222,868.54
  6. Step 6: Final answer
    x = 5,464,394.03

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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.