Home / 11,328,400.20-15,633,145.50-6,171,745.80

Finding the Fourth Proportional to 11,328,400.20, 15,633,145.50 and 6,171,745.80

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Solution

The fourth proportional to 11,328,400.20, 15,633,145.50 and 6,171,745.80 is: 8,516,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328,400.20 : 15,633,145.50 = 6,171,745.80 : x
  2. Step 2: Convert to fraction form
    11,328,400.20/15,633,145.50 = 6,171,745.80/x
  3. Step 3: Cross multiply
    11,328,400.20x = 15,633,145.50 × 6,171,745.80
  4. Step 4: Simplify right side
    11,328,400.20x = 96,483,800,080,413.89
  5. Step 5: Solve for x
    x = 96,483,800,080,413.89/11,328,400.20
  6. Step 6: Final answer
    x = 8,516,983.72

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1.5x scale

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.