Finding the Fourth Proportional to 18,378,960.16, 27,568,446.72 and 8,269,771.36
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Solution
The fourth proportional to 18,378,960.16, 27,568,446.72 and 8,269,771.36 is: 12,404,659.96
Step by Step Solution
- Step 1: Write the proportion equation
18,378,960.16 : 27,568,446.72 = 8,269,771.36 : x - Step 2: Convert to fraction form
18,378,960.16/27,568,446.72 = 8,269,771.36/x - Step 3: Cross multiply
18,378,960.16x = 27,568,446.72 × 8,269,771.36 - Step 4: Simplify right side
18,378,960.16x = 227,984,751,124,741.94 - Step 5: Solve for x
x = 227,984,751,124,741.94/18,378,960.16 - Step 6: Final answer
x = 12,404,659.96
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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.