Finding the Fourth Proportional to 39,490,584.62, 54,496,692.99 and 22,086,916.11
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Solution
The fourth proportional to 39,490,584.62, 54,496,692.99 and 22,086,916.11 is: 30,479,768.74
Step by Step Solution
- Step 1: Write the proportion equation
39,490,584.62 : 54,496,692.99 = 22,086,916.11 : x - Step 2: Convert to fraction form
39,490,584.62/54,496,692.99 = 22,086,916.11/x - Step 3: Cross multiply
39,490,584.62x = 54,496,692.99 × 22,086,916.11 - Step 4: Simplify right side
39,490,584.62x = 1,203,663,886,342,555 - Step 5: Solve for x
x = 1,203,663,886,342,555/39,490,584.62 - Step 6: Final answer
x = 30,479,768.74
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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.