Home / 18,517,773.52-27,794,588.22-8,939,872.64

Finding the Fourth Proportional to 18,517,773.52, 27,794,588.22 and 8,939,872.64

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Solution

The fourth proportional to 18,517,773.52, 27,794,588.22 and 8,939,872.64 is: 13,418,464.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517,773.52 : 27,794,588.22 = 8,939,872.64 : x
  2. Step 2: Convert to fraction form
    18,517,773.52/27,794,588.22 = 8,939,872.64/x
  3. Step 3: Cross multiply
    18,517,773.52x = 27,794,588.22 × 8,939,872.64
  4. Step 4: Simplify right side
    18,517,773.52x = 248,480,078,768,044.31
  5. Step 5: Solve for x
    x = 248,480,078,768,044.31/18,517,773.52
  6. Step 6: Final answer
    x = 13,418,464.08

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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.