Finding the Fourth Proportional to 6,492,321.70, 9,738,482.55 and 6,244,315.90
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Solution
The fourth proportional to 6,492,321.70, 9,738,482.55 and 6,244,315.90 is: 9,366,473.85
Step by Step Solution
- Step 1: Write the proportion equation
6,492,321.70 : 9,738,482.55 = 6,244,315.90 : x - Step 2: Convert to fraction form
6,492,321.70/9,738,482.55 = 6,244,315.90/x - Step 3: Cross multiply
6,492,321.70x = 9,738,482.55 × 6,244,315.90 - Step 4: Simplify right side
6,492,321.70x = 60,810,161,428,837.55 - Step 5: Solve for x
x = 60,810,161,428,837.55/6,492,321.70 - Step 6: Final answer
x = 9,366,473.85
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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.