Home / 13,628,163.06-20,451,335.30-7,068,917.21

Finding the Fourth Proportional to 13,628,163.06, 20,451,335.30 and 7,068,917.21

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Solution

The fourth proportional to 13,628,163.06, 20,451,335.30 and 7,068,917.21 is: 10,608,091.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,628,163.06 : 20,451,335.30 = 7,068,917.21 : x
  2. Step 2: Convert to fraction form
    13,628,163.06/20,451,335.30 = 7,068,917.21/x
  3. Step 3: Cross multiply
    13,628,163.06x = 20,451,335.30 × 7,068,917.21
  4. Step 4: Simplify right side
    13,628,163.06x = 144,568,796,085,434.28
  5. Step 5: Solve for x
    x = 144,568,796,085,434.28/13,628,163.06
  6. Step 6: Final answer
    x = 10,608,091.16

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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.