Home / 7,179,082.56-9,907,250.24-3,915,896.32

Finding the Fourth Proportional to 7,179,082.56, 9,907,250.24 and 3,915,896.32

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Solution

The fourth proportional to 7,179,082.56, 9,907,250.24 and 3,915,896.32 is: 5,404,000.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,082.56 : 9,907,250.24 = 3,915,896.32 : x
  2. Step 2: Convert to fraction form
    7,179,082.56/9,907,250.24 = 3,915,896.32/x
  3. Step 3: Cross multiply
    7,179,082.56x = 9,907,250.24 × 3,915,896.32
  4. Step 4: Simplify right side
    7,179,082.56x = 38,795,764,756,135.12
  5. Step 5: Solve for x
    x = 38,795,764,756,135.12/7,179,082.56
  6. Step 6: Final answer
    x = 5,404,000.36

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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.