Home / 6,991,072.37-9,644,338.20-5,431,662.70

Finding the Fourth Proportional to 6,991,072.37, 9,644,338.20 and 5,431,662.70

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Solution

The fourth proportional to 6,991,072.37, 9,644,338.20 and 5,431,662.70 is: 7,493,098.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991,072.37 : 9,644,338.20 = 5,431,662.70 : x
  2. Step 2: Convert to fraction form
    6,991,072.37/9,644,338.20 = 5,431,662.70/x
  3. Step 3: Cross multiply
    6,991,072.37x = 9,644,338.20 × 5,431,662.70
  4. Step 4: Simplify right side
    6,991,072.37x = 52,384,792,067,125.14
  5. Step 5: Solve for x
    x = 52,384,792,067,125.14/6,991,072.37
  6. Step 6: Final answer
    x = 7,493,098.24

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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.