Home / 12,647,079.75-17,455,334.45-7,214,571.75

Finding the Fourth Proportional to 12,647,079.75, 17,455,334.45 and 7,214,571.75

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Solution

The fourth proportional to 12,647,079.75, 17,455,334.45 and 7,214,571.75 is: 9,957,457.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647,079.75 : 17,455,334.45 = 7,214,571.75 : x
  2. Step 2: Convert to fraction form
    12,647,079.75/17,455,334.45 = 7,214,571.75/x
  3. Step 3: Cross multiply
    12,647,079.75x = 17,455,334.45 × 7,214,571.75
  4. Step 4: Simplify right side
    12,647,079.75x = 125,932,762,773,698.94
  5. Step 5: Solve for x
    x = 125,932,762,773,698.94/12,647,079.75
  6. Step 6: Final answer
    x = 9,957,457.79

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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.