Finding the Fourth Proportional to 5,330,099.92, 7,355,537.88 and 2,882,710.96
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Solution
The fourth proportional to 5,330,099.92, 7,355,537.88 and 2,882,710.96 is: 3,978,141.12
Step by Step Solution
- Step 1: Write the proportion equation
5,330,099.92 : 7,355,537.88 = 2,882,710.96 : x - Step 2: Convert to fraction form
5,330,099.92/7,355,537.88 = 2,882,710.96/x - Step 3: Cross multiply
5,330,099.92x = 7,355,537.88 × 2,882,710.96 - Step 4: Simplify right side
5,330,099.92x = 21,203,889,663,371.16 - Step 5: Solve for x
x = 21,203,889,663,371.16/5,330,099.92 - Step 6: Final answer
x = 3,978,141.12
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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.