Home / 8,729,843.20-12,043,011.24-6,782,779

Finding the Fourth Proportional to 8,729,843.20, 12,043,011.24 and 6,782,779

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Solution

The fourth proportional to 8,729,843.20, 12,043,011.24 and 6,782,779 is: 9,356,993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729,843.20 : 12,043,011.24 = 6,782,779 : x
  2. Step 2: Convert to fraction form
    8,729,843.20/12,043,011.24 = 6,782,779/x
  3. Step 3: Cross multiply
    8,729,843.20x = 12,043,011.24 × 6,782,779
  4. Step 4: Simplify right side
    8,729,843.20x = 81,685,083,735,435.97
  5. Step 5: Solve for x
    x = 81,685,083,735,435.97/8,729,843.20
  6. Step 6: Final answer
    x = 9,356,993.23

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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.