Home / 12,521,454.45-18,755,186.80-8,455,584.52

Finding the Fourth Proportional to 12,521,454.45, 18,755,186.80 and 8,455,584.52

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Solution

The fourth proportional to 12,521,454.45, 18,755,186.80 and 8,455,584.52 is: 12,665,147.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521,454.45 : 18,755,186.80 = 8,455,584.52 : x
  2. Step 2: Convert to fraction form
    12,521,454.45/18,755,186.80 = 8,455,584.52/x
  3. Step 3: Cross multiply
    12,521,454.45x = 18,755,186.80 × 8,455,584.52
  4. Step 4: Simplify right side
    12,521,454.45x = 158,586,067,175,788.34
  5. Step 5: Solve for x
    x = 158,586,067,175,788.34/12,521,454.45
  6. Step 6: Final answer
    x = 12,665,147.47

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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.