Finding the Fourth Proportional to 18,431,410.25, 27,646,082.01 and 5,651,879.87
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Solution
The fourth proportional to 18,431,410.25, 27,646,082.01 and 5,651,879.87 is: 8,477,502.92
Step by Step Solution
- Step 1: Write the proportion equation
18,431,410.25 : 27,646,082.01 = 5,651,879.87 : x - Step 2: Convert to fraction form
18,431,410.25/27,646,082.01 = 5,651,879.87/x - Step 3: Cross multiply
18,431,410.25x = 27,646,082.01 × 5,651,879.87 - Step 4: Simplify right side
18,431,410.25x = 156,252,334,258,457.75 - Step 5: Solve for x
x = 156,252,334,258,457.75/18,431,410.25 - Step 6: Final answer
x = 8,477,502.92
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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.