Finding the Fourth Proportional to 27,720,990.72, 41,378,446.62 and 24,448,538.88
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Solution
The fourth proportional to 27,720,990.72, 41,378,446.62 and 24,448,538.88 is: 36,493,737.59
Step by Step Solution
- Step 1: Write the proportion equation
27,720,990.72 : 41,378,446.62 = 24,448,538.88 : x - Step 2: Convert to fraction form
27,720,990.72/41,378,446.62 = 24,448,538.88/x - Step 3: Cross multiply
27,720,990.72x = 41,378,446.62 × 24,448,538.88 - Step 4: Simplify right side
27,720,990.72x = 1,011,642,560,983,074.50 - Step 5: Solve for x
x = 1,011,642,560,983,074.50/27,720,990.72 - Step 6: Final answer
x = 36,493,737.59
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.