Home / 20,269,733.52-30,404,600.29-5,123,665.02

Finding the Fourth Proportional to 20,269,733.52, 30,404,600.29 and 5,123,665.02

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Solution

The fourth proportional to 20,269,733.52, 30,404,600.29 and 5,123,665.02 is: 7,685,497.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269,733.52 : 30,404,600.29 = 5,123,665.02 : x
  2. Step 2: Convert to fraction form
    20,269,733.52/30,404,600.29 = 5,123,665.02/x
  3. Step 3: Cross multiply
    20,269,733.52x = 30,404,600.29 × 5,123,665.02
  4. Step 4: Simplify right side
    20,269,733.52x = 155,782,987,044,556.06
  5. Step 5: Solve for x
    x = 155,782,987,044,556.06/20,269,733.52
  6. Step 6: Final answer
    x = 7,685,497.54

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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.