Home / 12,478,321.80-18,701,736.30-6,074,785.80

Finding the Fourth Proportional to 12,478,321.80, 18,701,736.30 and 6,074,785.80

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Solution

The fourth proportional to 12,478,321.80, 18,701,736.30 and 6,074,785.80 is: 9,104,512.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,478,321.80 : 18,701,736.30 = 6,074,785.80 : x
  2. Step 2: Convert to fraction form
    12,478,321.80/18,701,736.30 = 6,074,785.80/x
  3. Step 3: Cross multiply
    12,478,321.80x = 18,701,736.30 × 6,074,785.80
  4. Step 4: Simplify right side
    12,478,321.80x = 113,609,042,110,584.55
  5. Step 5: Solve for x
    x = 113,609,042,110,584.55/12,478,321.80
  6. Step 6: Final answer
    x = 9,104,512.93

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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.