Home / 21,522,276.88-29,700,942.44-11,864,830.48

Finding the Fourth Proportional to 21,522,276.88, 29,700,942.44 and 11,864,830.48

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Solution

The fourth proportional to 21,522,276.88, 29,700,942.44 and 11,864,830.48 is: 16,373,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,522,276.88 : 29,700,942.44 = 11,864,830.48 : x
  2. Step 2: Convert to fraction form
    21,522,276.88/29,700,942.44 = 11,864,830.48/x
  3. Step 3: Cross multiply
    21,522,276.88x = 29,700,942.44 × 11,864,830.48
  4. Step 4: Simplify right side
    21,522,276.88x = 352,396,647,146,837.62
  5. Step 5: Solve for x
    x = 352,396,647,146,837.62/21,522,276.88
  6. Step 6: Final answer
    x = 16,373,576.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.