Home / 23,179,415.27-31,985,992.84-12,865,326.44

Finding the Fourth Proportional to 23,179,415.27, 31,985,992.84 and 12,865,326.44

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Solution

The fourth proportional to 23,179,415.27, 31,985,992.84 and 12,865,326.44 is: 17,753,262.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,179,415.27 : 31,985,992.84 = 12,865,326.44 : x
  2. Step 2: Convert to fraction form
    23,179,415.27/31,985,992.84 = 12,865,326.44/x
  3. Step 3: Cross multiply
    23,179,415.27x = 31,985,992.84 × 12,865,326.44
  4. Step 4: Simplify right side
    23,179,415.27x = 411,510,239,314,137.69
  5. Step 5: Solve for x
    x = 411,510,239,314,137.69/23,179,415.27
  6. Step 6: Final answer
    x = 17,753,262.30

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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.