Finding the Fourth Proportional to 7,207,120.32, 9,936,793.44 and 4,624,244.16
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Solution
The fourth proportional to 7,207,120.32, 9,936,793.44 and 4,624,244.16 is: 6,375,661.43
Step by Step Solution
- Step 1: Write the proportion equation
7,207,120.32 : 9,936,793.44 = 4,624,244.16 : x - Step 2: Convert to fraction form
7,207,120.32/9,936,793.44 = 4,624,244.16/x - Step 3: Cross multiply
7,207,120.32x = 9,936,793.44 × 4,624,244.16 - Step 4: Simplify right side
7,207,120.32x = 45,950,159,034,046.31 - Step 5: Solve for x
x = 45,950,159,034,046.31/7,207,120.32 - Step 6: Final answer
x = 6,375,661.43
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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.