Finding the Fourth Proportional to 7,234,436.73, 9,983,483.28 and 3,971,306.99
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Solution
The fourth proportional to 7,234,436.73, 9,983,483.28 and 3,971,306.99 is: 5,480,382.01
Step by Step Solution
- Step 1: Write the proportion equation
7,234,436.73 : 9,983,483.28 = 3,971,306.99 : x - Step 2: Convert to fraction form
7,234,436.73/9,983,483.28 = 3,971,306.99/x - Step 3: Cross multiply
7,234,436.73x = 9,983,483.28 × 3,971,306.99 - Step 4: Simplify right side
7,234,436.73x = 39,647,476,884,494.70 - Step 5: Solve for x
x = 39,647,476,884,494.70/7,234,436.73 - Step 6: Final answer
x = 5,480,382.01
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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.