Home / 8,729,819.69-12,042,978.82-6,782,755.46

Finding the Fourth Proportional to 8,729,819.69, 12,042,978.82 and 6,782,755.46

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Solution

The fourth proportional to 8,729,819.69, 12,042,978.82 and 6,782,755.46 is: 9,356,960.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729,819.69 : 12,042,978.82 = 6,782,755.46 : x
  2. Step 2: Convert to fraction form
    8,729,819.69/12,042,978.82 = 6,782,755.46/x
  3. Step 3: Cross multiply
    8,729,819.69x = 12,042,978.82 × 6,782,755.46
  4. Step 4: Simplify right side
    8,729,819.69x = 81,684,580,268,847.58
  5. Step 5: Solve for x
    x = 81,684,580,268,847.58/8,729,819.69
  6. Step 6: Final answer
    x = 9,356,960.76

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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.