Home / 13,579,220.03-18,738,949.91-7,467,648.53

Finding the Fourth Proportional to 13,579,220.03, 18,738,949.91 and 7,467,648.53

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Solution

The fourth proportional to 13,579,220.03, 18,738,949.91 and 7,467,648.53 is: 10,305,149.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579,220.03 : 18,738,949.91 = 7,467,648.53 : x
  2. Step 2: Convert to fraction form
    13,579,220.03/18,738,949.91 = 7,467,648.53/x
  3. Step 3: Cross multiply
    13,579,220.03x = 18,738,949.91 × 7,467,648.53
  4. Step 4: Simplify right side
    13,579,220.03x = 139,935,891,618,122.16
  5. Step 5: Solve for x
    x = 139,935,891,618,122.16/13,579,220.03
  6. Step 6: Final answer
    x = 10,305,149.44

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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.