Home / 12,530,334.20-18,795,501.30-7,722,433.40

Finding the Fourth Proportional to 12,530,334.20, 18,795,501.30 and 7,722,433.40

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Solution

The fourth proportional to 12,530,334.20, 18,795,501.30 and 7,722,433.40 is: 11,583,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530,334.20 : 18,795,501.30 = 7,722,433.40 : x
  2. Step 2: Convert to fraction form
    12,530,334.20/18,795,501.30 = 7,722,433.40/x
  3. Step 3: Cross multiply
    12,530,334.20x = 18,795,501.30 × 7,722,433.40
  4. Step 4: Simplify right side
    12,530,334.20x = 145,147,007,008,863.44
  5. Step 5: Solve for x
    x = 145,147,007,008,863.44/12,530,334.20
  6. Step 6: Final answer
    x = 11,583,650.10

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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.