Home / 13,581,797.38-18,743,234.97-7,470,386.26

Finding the Fourth Proportional to 13,581,797.38, 18,743,234.97 and 7,470,386.26

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Solution

The fourth proportional to 13,581,797.38, 18,743,234.97 and 7,470,386.26 is: 10,309,328.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,581,797.38 : 18,743,234.97 = 7,470,386.26 : x
  2. Step 2: Convert to fraction form
    13,581,797.38/18,743,234.97 = 7,470,386.26/x
  3. Step 3: Cross multiply
    13,581,797.38x = 18,743,234.97 × 7,470,386.26
  4. Step 4: Simplify right side
    13,581,797.38x = 140,019,204,987,839.50
  5. Step 5: Solve for x
    x = 140,019,204,987,839.50/13,581,797.38
  6. Step 6: Final answer
    x = 10,309,328.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.