Home / 11,355,745.20-16,992,145.80-8,369,761.20

Finding the Fourth Proportional to 11,355,745.20, 16,992,145.80 and 8,369,761.20

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Solution

The fourth proportional to 11,355,745.20, 16,992,145.80 and 8,369,761.20 is: 12,524,074.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355,745.20 : 16,992,145.80 = 8,369,761.20 : x
  2. Step 2: Convert to fraction form
    11,355,745.20/16,992,145.80 = 8,369,761.20/x
  3. Step 3: Cross multiply
    11,355,745.20x = 16,992,145.80 × 8,369,761.20
  4. Step 4: Simplify right side
    11,355,745.20x = 142,220,202,621,582.97
  5. Step 5: Solve for x
    x = 142,220,202,621,582.97/11,355,745.20
  6. Step 6: Final answer
    x = 12,524,074.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.