Home / 8,100,786.08-12,153,022.32-4,312,272.80

Finding the Fourth Proportional to 8,100,786.08, 12,153,022.32 and 4,312,272.80

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Solution

The fourth proportional to 8,100,786.08, 12,153,022.32 and 4,312,272.80 is: 6,469,390.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100,786.08 : 12,153,022.32 = 4,312,272.80 : x
  2. Step 2: Convert to fraction form
    8,100,786.08/12,153,022.32 = 4,312,272.80/x
  3. Step 3: Cross multiply
    8,100,786.08x = 12,153,022.32 × 4,312,272.80
  4. Step 4: Simplify right side
    8,100,786.08x = 52,407,147,588,328.90
  5. Step 5: Solve for x
    x = 52,407,147,588,328.90/8,100,786.08
  6. Step 6: Final answer
    x = 6,469,390.39

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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.