Finding the Fourth Proportional to 8,415,344.96, 12,625,137.12 and 2,431,672.64
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Solution
The fourth proportional to 8,415,344.96, 12,625,137.12 and 2,431,672.64 is: 3,648,121.46
Step by Step Solution
- Step 1: Write the proportion equation
8,415,344.96 : 12,625,137.12 = 2,431,672.64 : x - Step 2: Convert to fraction form
8,415,344.96/12,625,137.12 = 2,431,672.64/x - Step 3: Cross multiply
8,415,344.96x = 12,625,137.12 × 2,431,672.64 - Step 4: Simplify right side
8,415,344.96x = 30,700,200,510,952.39 - Step 5: Solve for x
x = 30,700,200,510,952.39/8,415,344.96 - Step 6: Final answer
x = 3,648,121.46
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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.