Home / 16,821,029.87-25,231,544.80-13,831,674.24

Finding the Fourth Proportional to 16,821,029.87, 25,231,544.80 and 13,831,674.24

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Solution

The fourth proportional to 16,821,029.87, 25,231,544.80 and 13,831,674.24 is: 20,747,511.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821,029.87 : 25,231,544.80 = 13,831,674.24 : x
  2. Step 2: Convert to fraction form
    16,821,029.87/25,231,544.80 = 13,831,674.24/x
  3. Step 3: Cross multiply
    16,821,029.87x = 25,231,544.80 × 13,831,674.24
  4. Step 4: Simplify right side
    16,821,029.87x = 348,994,508,383,408.25
  5. Step 5: Solve for x
    x = 348,994,508,383,408.25/16,821,029.87
  6. Step 6: Final answer
    x = 20,747,511.37

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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.