Home / 20,224,080.80-30,336,121.20-7,441,940.60

Finding the Fourth Proportional to 20,224,080.80, 30,336,121.20 and 7,441,940.60

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Solution

The fourth proportional to 20,224,080.80, 30,336,121.20 and 7,441,940.60 is: 11,162,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224,080.80 : 30,336,121.20 = 7,441,940.60 : x
  2. Step 2: Convert to fraction form
    20,224,080.80/30,336,121.20 = 7,441,940.60/x
  3. Step 3: Cross multiply
    20,224,080.80x = 30,336,121.20 × 7,441,940.60
  4. Step 4: Simplify right side
    20,224,080.80x = 225,759,612,004,800.72
  5. Step 5: Solve for x
    x = 225,759,612,004,800.72/20,224,080.80
  6. Step 6: Final answer
    x = 11,162,910.90

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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.