Finding the Fourth Proportional to 7,007,020.62, 9,674,469.70 and 4,532,240.13
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Solution
The fourth proportional to 7,007,020.62, 9,674,469.70 and 4,532,240.13 is: 6,257,583.96
Step by Step Solution
- Step 1: Write the proportion equation
7,007,020.62 : 9,674,469.70 = 4,532,240.13 : x - Step 2: Convert to fraction form
7,007,020.62/9,674,469.70 = 4,532,240.13/x - Step 3: Cross multiply
7,007,020.62x = 9,674,469.70 × 4,532,240.13 - Step 4: Simplify right side
7,007,020.62x = 43,847,019,810,809.05 - Step 5: Solve for x
x = 43,847,019,810,809.05/7,007,020.62 - Step 6: Final answer
x = 6,257,583.96
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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.