Finding the Fourth Proportional to 16,121,234.12, 22,247,082.15 and 9,151,850.75
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Solution
The fourth proportional to 16,121,234.12, 22,247,082.15 and 9,151,850.75 is: 12,629,428.61
Step by Step Solution
- Step 1: Write the proportion equation
16,121,234.12 : 22,247,082.15 = 9,151,850.75 : x - Step 2: Convert to fraction form
16,121,234.12/22,247,082.15 = 9,151,850.75/x - Step 3: Cross multiply
16,121,234.12x = 22,247,082.15 × 9,151,850.75 - Step 4: Simplify right side
16,121,234.12x = 203,601,975,459,789.09 - Step 5: Solve for x
x = 203,601,975,459,789.09/16,121,234.12 - Step 6: Final answer
x = 12,629,428.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.