Finding the Fourth Proportional to 8,458,859.27, 12,688,778.07 and 2,393,082.87
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Solution
The fourth proportional to 8,458,859.27, 12,688,778.07 and 2,393,082.87 is: 3,589,762.70
Step by Step Solution
- Step 1: Write the proportion equation
8,458,859.27 : 12,688,778.07 = 2,393,082.87 : x - Step 2: Convert to fraction form
8,458,859.27/12,688,778.07 = 2,393,082.87/x - Step 3: Cross multiply
8,458,859.27x = 12,688,778.07 × 2,393,082.87 - Step 4: Simplify right side
8,458,859.27x = 30,365,297,440,548.66 - Step 5: Solve for x
x = 30,365,297,440,548.66/8,458,859.27 - Step 6: Final answer
x = 3,589,762.70
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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.