Finding the Fourth Proportional to 16,168,138.10, 24,252,207.15 and 7,665,082.10
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Solution
The fourth proportional to 16,168,138.10, 24,252,207.15 and 7,665,082.10 is: 11,497,623.15
Step by Step Solution
- Step 1: Write the proportion equation
16,168,138.10 : 24,252,207.15 = 7,665,082.10 : x - Step 2: Convert to fraction form
16,168,138.10/24,252,207.15 = 7,665,082.10/x - Step 3: Cross multiply
16,168,138.10x = 24,252,207.15 × 7,665,082.10 - Step 4: Simplify right side
16,168,138.10x = 185,895,158,910,957 - Step 5: Solve for x
x = 185,895,158,910,957/16,168,138.10 - Step 6: Final answer
x = 11,497,623.15
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1.5x scale
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.