Home / 9,889,919.26-13,647,907.94-5,479,628.81

Finding the Fourth Proportional to 9,889,919.26, 13,647,907.94 and 5,479,628.81

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Solution

The fourth proportional to 9,889,919.26, 13,647,907.94 and 5,479,628.81 is: 7,561,787.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,889,919.26 : 13,647,907.94 = 5,479,628.81 : x
  2. Step 2: Convert to fraction form
    9,889,919.26/13,647,907.94 = 5,479,628.81/x
  3. Step 3: Cross multiply
    9,889,919.26x = 13,647,907.94 × 5,479,628.81
  4. Step 4: Simplify right side
    9,889,919.26x = 74,785,469,544,251.75
  5. Step 5: Solve for x
    x = 74,785,469,544,251.75/9,889,919.26
  6. Step 6: Final answer
    x = 7,561,787.67

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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.