Home / 15,174,522.69-20,940,826.44-8,205,183.60

Finding the Fourth Proportional to 15,174,522.69, 20,940,826.44 and 8,205,183.60

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Solution

The fourth proportional to 15,174,522.69, 20,940,826.44 and 8,205,183.60 is: 11,323,145.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174,522.69 : 20,940,826.44 = 8,205,183.60 : x
  2. Step 2: Convert to fraction form
    15,174,522.69/20,940,826.44 = 8,205,183.60/x
  3. Step 3: Cross multiply
    15,174,522.69x = 20,940,826.44 × 8,205,183.60
  4. Step 4: Simplify right side
    15,174,522.69x = 171,823,325,675,934.38
  5. Step 5: Solve for x
    x = 171,823,325,675,934.38/15,174,522.69
  6. Step 6: Final answer
    x = 11,323,145.33

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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.