Home / 7,231,333.52-9,979,212.84-3,968,203.28

Finding the Fourth Proportional to 7,231,333.52, 9,979,212.84 and 3,968,203.28

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Solution

The fourth proportional to 7,231,333.52, 9,979,212.84 and 3,968,203.28 is: 5,476,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,333.52 : 9,979,212.84 = 3,968,203.28 : x
  2. Step 2: Convert to fraction form
    7,231,333.52/9,979,212.84 = 3,968,203.28/x
  3. Step 3: Cross multiply
    7,231,333.52x = 9,979,212.84 × 3,968,203.28
  4. Step 4: Simplify right side
    7,231,333.52x = 39,599,545,123,506.11
  5. Step 5: Solve for x
    x = 39,599,545,123,506.11/7,231,333.52
  6. Step 6: Final answer
    x = 5,476,105.48

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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.