Home / 20,883,514.52-31,356,022.12-11,679,519.73

Finding the Fourth Proportional to 20,883,514.52, 31,356,022.12 and 11,679,519.73

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Solution

The fourth proportional to 20,883,514.52, 31,356,022.12 and 11,679,519.73 is: 17,536,477.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,514.52 : 31,356,022.12 = 11,679,519.73 : x
  2. Step 2: Convert to fraction form
    20,883,514.52/31,356,022.12 = 11,679,519.73/x
  3. Step 3: Cross multiply
    20,883,514.52x = 31,356,022.12 × 11,679,519.73
  4. Step 4: Simplify right side
    20,883,514.52x = 366,223,278,843,188.50
  5. Step 5: Solve for x
    x = 366,223,278,843,188.50/20,883,514.52
  6. Step 6: Final answer
    x = 17,536,477.32

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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.