Home / 21,505,843.12-29,670,278.48-14,067,750.87

Finding the Fourth Proportional to 21,505,843.12, 29,670,278.48 and 14,067,750.87

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Solution

The fourth proportional to 21,505,843.12, 29,670,278.48 and 14,067,750.87 is: 19,408,403.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505,843.12 : 29,670,278.48 = 14,067,750.87 : x
  2. Step 2: Convert to fraction form
    21,505,843.12/29,670,278.48 = 14,067,750.87/x
  3. Step 3: Cross multiply
    21,505,843.12x = 29,670,278.48 × 14,067,750.87
  4. Step 4: Simplify right side
    21,505,843.12x = 417,394,085,900,162.25
  5. Step 5: Solve for x
    x = 417,394,085,900,162.25/21,505,843.12
  6. Step 6: Final answer
    x = 19,408,403.73

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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.