Home / 13,231,470.32-19,843,621.08-3,644,568.80

Finding the Fourth Proportional to 13,231,470.32, 19,843,621.08 and 3,644,568.80

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Solution

The fourth proportional to 13,231,470.32, 19,843,621.08 and 3,644,568.80 is: 5,465,865.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231,470.32 : 19,843,621.08 = 3,644,568.80 : x
  2. Step 2: Convert to fraction form
    13,231,470.32/19,843,621.08 = 3,644,568.80/x
  3. Step 3: Cross multiply
    13,231,470.32x = 19,843,621.08 × 3,644,568.80
  4. Step 4: Simplify right side
    13,231,470.32x = 72,321,442,267,190.30
  5. Step 5: Solve for x
    x = 72,321,442,267,190.30/13,231,470.32
  6. Step 6: Final answer
    x = 5,465,865.89

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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.