Finding the Fourth Proportional to 7,125,247.29, 9,833,891.88 and 4,511,989.97
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Solution
The fourth proportional to 7,125,247.29, 9,833,891.88 and 4,511,989.97 is: 6,227,211.45
Step by Step Solution
- Step 1: Write the proportion equation
7,125,247.29 : 9,833,891.88 = 4,511,989.97 : x - Step 2: Convert to fraction form
7,125,247.29/9,833,891.88 = 4,511,989.97/x - Step 3: Cross multiply
7,125,247.29x = 9,833,891.88 × 4,511,989.97 - Step 4: Simplify right side
7,125,247.29x = 44,370,421,479,454.98 - Step 5: Solve for x
x = 44,370,421,479,454.98/7,125,247.29 - Step 6: Final answer
x = 6,227,211.45
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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.