Finding the Fourth Proportional to 18,591,229.80, 27,886,844.70 and 4,944,349.80
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Solution
The fourth proportional to 18,591,229.80, 27,886,844.70 and 4,944,349.80 is: 7,416,524.70
Step by Step Solution
- Step 1: Write the proportion equation
18,591,229.80 : 27,886,844.70 = 4,944,349.80 : x - Step 2: Convert to fraction form
18,591,229.80/27,886,844.70 = 4,944,349.80/x - Step 3: Cross multiply
18,591,229.80x = 27,886,844.70 × 4,944,349.80 - Step 4: Simplify right side
18,591,229.80x = 137,882,315,015,076.05 - Step 5: Solve for x
x = 137,882,315,015,076.05/18,591,229.80 - Step 6: Final answer
x = 7,416,524.70
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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.