Home / 20,496,842.91-28,288,455.80-11,794,837.95

Finding the Fourth Proportional to 20,496,842.91, 28,288,455.80 and 11,794,837.95

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Solution

The fourth proportional to 20,496,842.91, 28,288,455.80 and 11,794,837.95 is: 16,278,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496,842.91 : 28,288,455.80 = 11,794,837.95 : x
  2. Step 2: Convert to fraction form
    20,496,842.91/28,288,455.80 = 11,794,837.95/x
  3. Step 3: Cross multiply
    20,496,842.91x = 28,288,455.80 × 11,794,837.95
  4. Step 4: Simplify right side
    20,496,842.91x = 333,657,751,957,763.44
  5. Step 5: Solve for x
    x = 333,657,751,957,763.44/20,496,842.91
  6. Step 6: Final answer
    x = 16,278,494.86

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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.