Home / 12,074,544.09-18,111,816.13-8,276,512.41

Finding the Fourth Proportional to 12,074,544.09, 18,111,816.13 and 8,276,512.41

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Solution

The fourth proportional to 12,074,544.09, 18,111,816.13 and 8,276,512.41 is: 12,414,768.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074,544.09 : 18,111,816.13 = 8,276,512.41 : x
  2. Step 2: Convert to fraction form
    12,074,544.09/18,111,816.13 = 8,276,512.41/x
  3. Step 3: Cross multiply
    12,074,544.09x = 18,111,816.13 × 8,276,512.41
  4. Step 4: Simplify right side
    12,074,544.09x = 149,902,670,967,583.16
  5. Step 5: Solve for x
    x = 149,902,670,967,583.16/12,074,544.09
  6. Step 6: Final answer
    x = 12,414,768.61

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1.5x scale

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.