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Finding the Fourth Proportional to 8,530,503.93, 12,795,755.91 and 2,850,728.22

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Solution

The fourth proportional to 8,530,503.93, 12,795,755.91 and 2,850,728.22 is: 4,276,092.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530,503.93 : 12,795,755.91 = 2,850,728.22 : x
  2. Step 2: Convert to fraction form
    8,530,503.93/12,795,755.91 = 2,850,728.22/x
  3. Step 3: Cross multiply
    8,530,503.93x = 12,795,755.91 × 2,850,728.22
  4. Step 4: Simplify right side
    8,530,503.93x = 36,477,222,468,868.78
  5. Step 5: Solve for x
    x = 36,477,222,468,868.78/8,530,503.93
  6. Step 6: Final answer
    x = 4,276,092.34

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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.