Finding the Fourth Proportional to 39,490,591.12, 54,496,701.96 and 22,086,922.62
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Solution
The fourth proportional to 39,490,591.12, 54,496,701.96 and 22,086,922.62 is: 30,479,777.72
Step by Step Solution
- Step 1: Write the proportion equation
39,490,591.12 : 54,496,701.96 = 22,086,922.62 : x - Step 2: Convert to fraction form
39,490,591.12/54,496,701.96 = 22,086,922.62/x - Step 3: Cross multiply
39,490,591.12x = 54,496,701.96 × 22,086,922.62 - Step 4: Simplify right side
39,490,591.12x = 1,203,664,439,235,722.50 - Step 5: Solve for x
x = 1,203,664,439,235,722.50/39,490,591.12 - Step 6: Final answer
x = 30,479,777.72
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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.