Home / 9,978,890.45-13,770,843.00-5,568,569.69

Finding the Fourth Proportional to 9,978,890.45, 13,770,843.00 and 5,568,569.69

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Solution

The fourth proportional to 9,978,890.45, 13,770,843.00 and 5,568,569.69 is: 7,684,611.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,978,890.45 : 13,770,843.00 = 5,568,569.69 : x
  2. Step 2: Convert to fraction form
    9,978,890.45/13,770,843.00 = 5,568,569.69/x
  3. Step 3: Cross multiply
    9,978,890.45x = 13,770,843.00 × 5,568,569.69
  4. Step 4: Simplify right side
    9,978,890.45x = 76,683,898,949,093.64
  5. Step 5: Solve for x
    x = 76,683,898,949,093.64/9,978,890.45
  6. Step 6: Final answer
    x = 7,684,611.76

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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.