Home / 8,720,620.80-13,085,596.80-3,672,441.60

Finding the Fourth Proportional to 8,720,620.80, 13,085,596.80 and 3,672,441.60

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Solution

The fourth proportional to 8,720,620.80, 13,085,596.80 and 3,672,441.60 is: 5,510,627.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720,620.80 : 13,085,596.80 = 3,672,441.60 : x
  2. Step 2: Convert to fraction form
    8,720,620.80/13,085,596.80 = 3,672,441.60/x
  3. Step 3: Cross multiply
    8,720,620.80x = 13,085,596.80 × 3,672,441.60
  4. Step 4: Simplify right side
    8,720,620.80x = 48,056,090,049,146.88
  5. Step 5: Solve for x
    x = 48,056,090,049,146.88/8,720,620.80
  6. Step 6: Final answer
    x = 5,510,627.18

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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.