Home / 7,467,128.20-11,172,698.70-4,947,704.20

Finding the Fourth Proportional to 7,467,128.20, 11,172,698.70 and 4,947,704.20

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Solution

The fourth proportional to 7,467,128.20, 11,172,698.70 and 4,947,704.20 is: 7,403,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,467,128.20 : 11,172,698.70 = 4,947,704.20 : x
  2. Step 2: Convert to fraction form
    7,467,128.20/11,172,698.70 = 4,947,704.20/x
  3. Step 3: Cross multiply
    7,467,128.20x = 11,172,698.70 × 4,947,704.20
  4. Step 4: Simplify right side
    7,467,128.20x = 55,279,208,283,324.54
  5. Step 5: Solve for x
    x = 55,279,208,283,324.54/7,467,128.20
  6. Step 6: Final answer
    x = 7,403,007.80

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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.