Home / 19,121,745.76-26,387,863.05-10,419,891.46

Finding the Fourth Proportional to 19,121,745.76, 26,387,863.05 and 10,419,891.46

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Solution

The fourth proportional to 19,121,745.76, 26,387,863.05 and 10,419,891.46 is: 14,379,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121,745.76 : 26,387,863.05 = 10,419,891.46 : x
  2. Step 2: Convert to fraction form
    19,121,745.76/26,387,863.05 = 10,419,891.46/x
  3. Step 3: Cross multiply
    19,121,745.76x = 26,387,863.05 × 10,419,891.46
  4. Step 4: Simplify right side
    19,121,745.76x = 274,958,668,815,449.50
  5. Step 5: Solve for x
    x = 274,958,668,815,449.50/19,121,745.76
  6. Step 6: Final answer
    x = 14,379,370.60

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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.