Finding the Fourth Proportional to 8,675,218.28, 11,956,858.17 and 5,769,416.99
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Solution
The fourth proportional to 8,675,218.28, 11,956,858.17 and 5,769,416.99 is: 7,951,857.63
Step by Step Solution
- Step 1: Write the proportion equation
8,675,218.28 : 11,956,858.17 = 5,769,416.99 : x - Step 2: Convert to fraction form
8,675,218.28/11,956,858.17 = 5,769,416.99/x - Step 3: Cross multiply
8,675,218.28x = 11,956,858.17 × 5,769,416.99 - Step 4: Simplify right side
8,675,218.28x = 68,984,100,613,234.02 - Step 5: Solve for x
x = 68,984,100,613,234.02/8,675,218.28 - Step 6: Final answer
x = 7,951,857.63
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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.