Home / 12,530,190.80-18,795,286.20-8,703,815.60

Finding the Fourth Proportional to 12,530,190.80, 18,795,286.20 and 8,703,815.60

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Solution

The fourth proportional to 12,530,190.80, 18,795,286.20 and 8,703,815.60 is: 13,055,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530,190.80 : 18,795,286.20 = 8,703,815.60 : x
  2. Step 2: Convert to fraction form
    12,530,190.80/18,795,286.20 = 8,703,815.60/x
  3. Step 3: Cross multiply
    12,530,190.80x = 18,795,286.20 × 8,703,815.60
  4. Step 4: Simplify right side
    12,530,190.80x = 163,590,705,234,024.72
  5. Step 5: Solve for x
    x = 163,590,705,234,024.72/12,530,190.80
  6. Step 6: Final answer
    x = 13,055,723.40

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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.