Finding the Fourth Proportional to 8,264,968.96, 12,397,578.18 and 3,147,682.24
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Solution
The fourth proportional to 8,264,968.96, 12,397,578.18 and 3,147,682.24 is: 4,721,570.87
Step by Step Solution
- Step 1: Write the proportion equation
8,264,968.96 : 12,397,578.18 = 3,147,682.24 : x - Step 2: Convert to fraction form
8,264,968.96/12,397,578.18 = 3,147,682.24/x - Step 3: Cross multiply
8,264,968.96x = 12,397,578.18 × 3,147,682.24 - Step 4: Simplify right side
8,264,968.96x = 39,023,636,656,197.52 - Step 5: Solve for x
x = 39,023,636,656,197.52/8,264,968.96 - Step 6: Final answer
x = 4,721,570.87
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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.