Home / 13,582,378.78-20,371,353.48-3,995,515.24

Finding the Fourth Proportional to 13,582,378.78, 20,371,353.48 and 3,995,515.24

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Solution

The fourth proportional to 13,582,378.78, 20,371,353.48 and 3,995,515.24 is: 5,992,621.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582,378.78 : 20,371,353.48 = 3,995,515.24 : x
  2. Step 2: Convert to fraction form
    13,582,378.78/20,371,353.48 = 3,995,515.24/x
  3. Step 3: Cross multiply
    13,582,378.78x = 20,371,353.48 × 3,995,515.24
  4. Step 4: Simplify right side
    13,582,378.78x = 81,394,053,288,767.05
  5. Step 5: Solve for x
    x = 81,394,053,288,767.05/13,582,378.78
  6. Step 6: Final answer
    x = 5,992,621.37

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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.