Home / 30,500,873.80-45,751,310.70-10,305,824.20

Finding the Fourth Proportional to 30,500,873.80, 45,751,310.70 and 10,305,824.20

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Solution

The fourth proportional to 30,500,873.80, 45,751,310.70 and 10,305,824.20 is: 15,458,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,500,873.80 : 45,751,310.70 = 10,305,824.20 : x
  2. Step 2: Convert to fraction form
    30,500,873.80/45,751,310.70 = 10,305,824.20/x
  3. Step 3: Cross multiply
    30,500,873.80x = 45,751,310.70 × 10,305,824.20
  4. Step 4: Simplify right side
    30,500,873.80x = 471,504,964,993,778.94
  5. Step 5: Solve for x
    x = 471,504,964,993,778.94/30,500,873.80
  6. Step 6: Final answer
    x = 15,458,736.30

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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.