Home / 13,286,562.71-19,929,844.32-3,189,183.71

Finding the Fourth Proportional to 13,286,562.71, 19,929,844.32 and 3,189,183.71

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Solution

The fourth proportional to 13,286,562.71, 19,929,844.32 and 3,189,183.71 is: 4,783,775.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,562.71 : 19,929,844.32 = 3,189,183.71 : x
  2. Step 2: Convert to fraction form
    13,286,562.71/19,929,844.32 = 3,189,183.71/x
  3. Step 3: Cross multiply
    13,286,562.71x = 19,929,844.32 × 3,189,183.71
  4. Step 4: Simplify right side
    13,286,562.71x = 63,559,934,736,571.37
  5. Step 5: Solve for x
    x = 63,559,934,736,571.37/13,286,562.71
  6. Step 6: Final answer
    x = 4,783,775.62

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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.