Finding the Fourth Proportional to 8,137,114.68, 12,197,183.25 and 2,743,910.71
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Solution
The fourth proportional to 8,137,114.68, 12,197,183.25 and 2,743,910.71 is: 4,113,003.57
Step by Step Solution
- Step 1: Write the proportion equation
8,137,114.68 : 12,197,183.25 = 2,743,910.71 : x - Step 2: Convert to fraction form
8,137,114.68/12,197,183.25 = 2,743,910.71/x - Step 3: Cross multiply
8,137,114.68x = 12,197,183.25 × 2,743,910.71 - Step 4: Simplify right side
8,137,114.68x = 33,467,981,751,507.61 - Step 5: Solve for x
x = 33,467,981,751,507.61/8,137,114.68 - Step 6: Final answer
x = 4,113,003.57
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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.