Home / 8,333,255.78-12,498,594.28-3,214,939.21

Finding the Fourth Proportional to 8,333,255.78, 12,498,594.28 and 3,214,939.21

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Solution

The fourth proportional to 8,333,255.78, 12,498,594.28 and 3,214,939.21 is: 4,821,911.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333,255.78 : 12,498,594.28 = 3,214,939.21 : x
  2. Step 2: Convert to fraction form
    8,333,255.78/12,498,594.28 = 3,214,939.21/x
  3. Step 3: Cross multiply
    8,333,255.78x = 12,498,594.28 × 3,214,939.21
  4. Step 4: Simplify right side
    8,333,255.78x = 40,182,220,799,453.92
  5. Step 5: Solve for x
    x = 40,182,220,799,453.92/8,333,255.78
  6. Step 6: Final answer
    x = 4,821,911.37

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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.