Home / 12,730,715.20-17,568,850.62-6,929,216.56

Finding the Fourth Proportional to 12,730,715.20, 17,568,850.62 and 6,929,216.56

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Solution

The fourth proportional to 12,730,715.20, 17,568,850.62 and 6,929,216.56 is: 9,562,571.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,730,715.20 : 17,568,850.62 = 6,929,216.56 : x
  2. Step 2: Convert to fraction form
    12,730,715.20/17,568,850.62 = 6,929,216.56/x
  3. Step 3: Cross multiply
    12,730,715.20x = 17,568,850.62 × 6,929,216.56
  4. Step 4: Simplify right side
    12,730,715.20x = 121,738,370,656,270.27
  5. Step 5: Solve for x
    x = 121,738,370,656,270.27/12,730,715.20
  6. Step 6: Final answer
    x = 9,562,571.21

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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.