Finding the Fourth Proportional to 18,189,635.91, 27,284,749.10 and 5,235,958.36
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Solution
The fourth proportional to 18,189,635.91, 27,284,749.10 and 5,235,958.36 is: 7,854,022.53
Step by Step Solution
- Step 1: Write the proportion equation
18,189,635.91 : 27,284,749.10 = 5,235,958.36 : x - Step 2: Convert to fraction form
18,189,635.91/27,284,749.10 = 5,235,958.36/x - Step 3: Cross multiply
18,189,635.91x = 27,284,749.10 × 5,235,958.36 - Step 4: Simplify right side
18,189,635.91x = 142,861,810,207,660.75 - Step 5: Solve for x
x = 142,861,810,207,660.75/18,189,635.91 - Step 6: Final answer
x = 7,854,022.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.