Finding the Fourth Proportional to 18,504,493.11, 27,747,747.30 and 9,278,502.09
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Solution
The fourth proportional to 18,504,493.11, 27,747,747.30 and 9,278,502.09 is: 13,913,244.19
Step by Step Solution
- Step 1: Write the proportion equation
18,504,493.11 : 27,747,747.30 = 9,278,502.09 : x - Step 2: Convert to fraction form
18,504,493.11/27,747,747.30 = 9,278,502.09/x - Step 3: Cross multiply
18,504,493.11x = 27,747,747.30 × 9,278,502.09 - Step 4: Simplify right side
18,504,493.11x = 257,457,531,315,841.88 - Step 5: Solve for x
x = 257,457,531,315,841.88/18,504,493.11 - Step 6: Final answer
x = 13,913,244.19
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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.