Home / 7,728,796.44-10,665,245.70-4,291,036.56

Finding the Fourth Proportional to 7,728,796.44, 10,665,245.70 and 4,291,036.56

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Solution

The fourth proportional to 7,728,796.44, 10,665,245.70 and 4,291,036.56 is: 5,921,356.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728,796.44 : 10,665,245.70 = 4,291,036.56 : x
  2. Step 2: Convert to fraction form
    7,728,796.44/10,665,245.70 = 4,291,036.56/x
  3. Step 3: Cross multiply
    7,728,796.44x = 10,665,245.70 × 4,291,036.56
  4. Step 4: Simplify right side
    7,728,796.44x = 45,764,959,220,082.78
  5. Step 5: Solve for x
    x = 45,764,959,220,082.78/7,728,796.44
  6. Step 6: Final answer
    x = 5,921,356.52

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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.