Home / 13,514,866.80-20,272,131.04-3,279,811.36

Finding the Fourth Proportional to 13,514,866.80, 20,272,131.04 and 3,279,811.36

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Solution

The fourth proportional to 13,514,866.80, 20,272,131.04 and 3,279,811.36 is: 4,919,675.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514,866.80 : 20,272,131.04 = 3,279,811.36 : x
  2. Step 2: Convert to fraction form
    13,514,866.80/20,272,131.04 = 3,279,811.36/x
  3. Step 3: Cross multiply
    13,514,866.80x = 20,272,131.04 × 3,279,811.36
  4. Step 4: Simplify right side
    13,514,866.80x = 66,488,765,676,400.61
  5. Step 5: Solve for x
    x = 66,488,765,676,400.61/13,514,866.80
  6. Step 6: Final answer
    x = 4,919,675.99

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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.