Finding the Fourth Proportional to 9,497,722.32, 14,212,528.68 and 8,222,715.12
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Solution
The fourth proportional to 9,497,722.32, 14,212,528.68 and 8,222,715.12 is: 12,304,589.51
Step by Step Solution
- Step 1: Write the proportion equation
9,497,722.32 : 14,212,528.68 = 8,222,715.12 : x - Step 2: Convert to fraction form
9,497,722.32/14,212,528.68 = 8,222,715.12/x - Step 3: Cross multiply
9,497,722.32x = 14,212,528.68 × 8,222,715.12 - Step 4: Simplify right side
9,497,722.32x = 116,865,574,470,469.64 - Step 5: Solve for x
x = 116,865,574,470,469.64/9,497,722.32 - Step 6: Final answer
x = 12,304,589.51
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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.