Home / 20,694,817.08-31,055,511.24-13,879,087.20

Finding the Fourth Proportional to 20,694,817.08, 31,055,511.24 and 13,879,087.20

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Solution

The fourth proportional to 20,694,817.08, 31,055,511.24 and 13,879,087.20 is: 20,827,540.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694,817.08 : 31,055,511.24 = 13,879,087.20 : x
  2. Step 2: Convert to fraction form
    20,694,817.08/31,055,511.24 = 13,879,087.20/x
  3. Step 3: Cross multiply
    20,694,817.08x = 31,055,511.24 × 13,879,087.20
  4. Step 4: Simplify right side
    20,694,817.08x = 431,022,148,540,540.06
  5. Step 5: Solve for x
    x = 431,022,148,540,540.06/20,694,817.08
  6. Step 6: Final answer
    x = 20,827,540.87

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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.