Home / 6,639,163.38-9,161,955.36-3,738,589.02

Finding the Fourth Proportional to 6,639,163.38, 9,161,955.36 and 3,738,589.02

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Solution

The fourth proportional to 6,639,163.38, 9,161,955.36 and 3,738,589.02 is: 5,159,202.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639,163.38 : 9,161,955.36 = 3,738,589.02 : x
  2. Step 2: Convert to fraction form
    6,639,163.38/9,161,955.36 = 3,738,589.02/x
  3. Step 3: Cross multiply
    6,639,163.38x = 9,161,955.36 × 3,738,589.02
  4. Step 4: Simplify right side
    6,639,163.38x = 34,252,785,710,626.14
  5. Step 5: Solve for x
    x = 34,252,785,710,626.14/6,639,163.38
  6. Step 6: Final answer
    x = 5,159,202.11

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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.