Home / 13,833,183.70-20,749,775.55-6,642,983.80

Finding the Fourth Proportional to 13,833,183.70, 20,749,775.55 and 6,642,983.80

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Solution

The fourth proportional to 13,833,183.70, 20,749,775.55 and 6,642,983.80 is: 9,964,475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,833,183.70 : 20,749,775.55 = 6,642,983.80 : x
  2. Step 2: Convert to fraction form
    13,833,183.70/20,749,775.55 = 6,642,983.80/x
  3. Step 3: Cross multiply
    13,833,183.70x = 20,749,775.55 × 6,642,983.80
  4. Step 4: Simplify right side
    13,833,183.70x = 137,840,422,832,286.09
  5. Step 5: Solve for x
    x = 137,840,422,832,286.09/13,833,183.70
  6. Step 6: Final answer
    x = 9,964,475.70

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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.