Home / 8,449,571.20-12,677,467.20-2,769,980.80

Finding the Fourth Proportional to 8,449,571.20, 12,677,467.20 and 2,769,980.80

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Solution

The fourth proportional to 8,449,571.20, 12,677,467.20 and 2,769,980.80 is: 4,155,990.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449,571.20 : 12,677,467.20 = 2,769,980.80 : x
  2. Step 2: Convert to fraction form
    8,449,571.20/12,677,467.20 = 2,769,980.80/x
  3. Step 3: Cross multiply
    8,449,571.20x = 12,677,467.20 × 2,769,980.80
  4. Step 4: Simplify right side
    8,449,571.20x = 35,116,340,736,629.75
  5. Step 5: Solve for x
    x = 35,116,340,736,629.75/8,449,571.20
  6. Step 6: Final answer
    x = 4,155,990.87

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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.