Finding the Fourth Proportional to 12,104,414.20, 18,156,621.30 and 4,530,395.80
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Solution
The fourth proportional to 12,104,414.20, 18,156,621.30 and 4,530,395.80 is: 6,795,593.70
Step by Step Solution
- Step 1: Write the proportion equation
12,104,414.20 : 18,156,621.30 = 4,530,395.80 : x - Step 2: Convert to fraction form
12,104,414.20/18,156,621.30 = 4,530,395.80/x - Step 3: Cross multiply
12,104,414.20x = 18,156,621.30 × 4,530,395.80 - Step 4: Simplify right side
12,104,414.20x = 82,256,680,879,710.55 - Step 5: Solve for x
x = 82,256,680,879,710.55/12,104,414.20 - Step 6: Final answer
x = 6,795,593.70
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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.