Home / 12,356,539.20-18,532,825.92-3,378,991.68

Finding the Fourth Proportional to 12,356,539.20, 18,532,825.92 and 3,378,991.68

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Solution

The fourth proportional to 12,356,539.20, 18,532,825.92 and 3,378,991.68 is: 5,067,945.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356,539.20 : 18,532,825.92 = 3,378,991.68 : x
  2. Step 2: Convert to fraction form
    12,356,539.20/18,532,825.92 = 3,378,991.68/x
  3. Step 3: Cross multiply
    12,356,539.20x = 18,532,825.92 × 3,378,991.68
  4. Step 4: Simplify right side
    12,356,539.20x = 62,622,264,590,568.35
  5. Step 5: Solve for x
    x = 62,622,264,590,568.35/12,356,539.20
  6. Step 6: Final answer
    x = 5,067,945.29

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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.