Finding the Fourth Proportional to 8,940,142.79, 13,412,213.19 and 3,260,367.09
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Solution
The fourth proportional to 8,940,142.79, 13,412,213.19 and 3,260,367.09 is: 4,891,279.65
Step by Step Solution
- Step 1: Write the proportion equation
8,940,142.79 : 13,412,213.19 = 3,260,367.09 : x - Step 2: Convert to fraction form
8,940,142.79/13,412,213.19 = 3,260,367.09/x - Step 3: Cross multiply
8,940,142.79x = 13,412,213.19 × 3,260,367.09 - Step 4: Simplify right side
8,940,142.79x = 43,728,738,488,739.91 - Step 5: Solve for x
x = 43,728,738,488,739.91/8,940,142.79 - Step 6: Final answer
x = 4,891,279.65
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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.