Finding the Fourth Proportional to 12,542,170.68, 18,816,414.84 and 3,566,722.68
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Solution
The fourth proportional to 12,542,170.68, 18,816,414.84 and 3,566,722.68 is: 5,350,982.32
Step by Step Solution
- Step 1: Write the proportion equation
12,542,170.68 : 18,816,414.84 = 3,566,722.68 : x - Step 2: Convert to fraction form
12,542,170.68/18,816,414.84 = 3,566,722.68/x - Step 3: Cross multiply
12,542,170.68x = 18,816,414.84 × 3,566,722.68 - Step 4: Simplify right side
12,542,170.68x = 67,112,933,566,116.57 - Step 5: Solve for x
x = 67,112,933,566,116.57/12,542,170.68 - Step 6: Final answer
x = 5,350,982.32
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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.