Finding the Fourth Proportional to 18,352,213.57, 27,528,322.38 and 8,738,445.88
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Solution
The fourth proportional to 18,352,213.57, 27,528,322.38 and 8,738,445.88 is: 13,107,669.78
Step by Step Solution
- Step 1: Write the proportion equation
18,352,213.57 : 27,528,322.38 = 8,738,445.88 : x - Step 2: Convert to fraction form
18,352,213.57/27,528,322.38 = 8,738,445.88/x - Step 3: Cross multiply
18,352,213.57x = 27,528,322.38 × 8,738,445.88 - Step 4: Simplify right side
18,352,213.57x = 240,554,755,103,488.94 - Step 5: Solve for x
x = 240,554,755,103,488.94/18,352,213.57 - Step 6: Final answer
x = 13,107,669.78
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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.