Home / 8,288,426.82-11,355,185.26-7,977,778.88

Finding the Fourth Proportional to 8,288,426.82, 11,355,185.26 and 7,977,778.88

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Solution

The fourth proportional to 8,288,426.82, 11,355,185.26 and 7,977,778.88 is: 10,929,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288,426.82 : 11,355,185.26 = 7,977,778.88 : x
  2. Step 2: Convert to fraction form
    8,288,426.82/11,355,185.26 = 7,977,778.88/x
  3. Step 3: Cross multiply
    8,288,426.82x = 11,355,185.26 × 7,977,778.88
  4. Step 4: Simplify right side
    8,288,426.82x = 90,589,157,098,911.61
  5. Step 5: Solve for x
    x = 90,589,157,098,911.61/8,288,426.82
  6. Step 6: Final answer
    x = 10,929,596.05

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.