Home / 12,298,912.20-18,453,617.10-5,905,873.80

Finding the Fourth Proportional to 12,298,912.20, 18,453,617.10 and 5,905,873.80

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Solution

The fourth proportional to 12,298,912.20, 18,453,617.10 and 5,905,873.80 is: 8,861,331.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,912.20 : 18,453,617.10 = 5,905,873.80 : x
  2. Step 2: Convert to fraction form
    12,298,912.20/18,453,617.10 = 5,905,873.80/x
  3. Step 3: Cross multiply
    12,298,912.20x = 18,453,617.10 × 5,905,873.80
  4. Step 4: Simplify right side
    12,298,912.20x = 108,984,733,746,121.98
  5. Step 5: Solve for x
    x = 108,984,733,746,121.98/12,298,912.20
  6. Step 6: Final answer
    x = 8,861,331.15

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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.