Finding the Fourth Proportional to 7,504,044.40, 11,253,442.20 and 3,908,616.40
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Solution
The fourth proportional to 7,504,044.40, 11,253,442.20 and 3,908,616.40 is: 5,861,557.63
Step by Step Solution
- Step 1: Write the proportion equation
7,504,044.40 : 11,253,442.20 = 3,908,616.40 : x - Step 2: Convert to fraction form
7,504,044.40/11,253,442.20 = 3,908,616.40/x - Step 3: Cross multiply
7,504,044.40x = 11,253,442.20 × 3,908,616.40 - Step 4: Simplify right side
7,504,044.40x = 43,985,388,739,372.08 - Step 5: Solve for x
x = 43,985,388,739,372.08/7,504,044.40 - Step 6: Final answer
x = 5,861,557.63
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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.