Finding the Fourth Proportional to 7,529,020.20, 11,293,530.30 and 2,479,674.60
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Solution
The fourth proportional to 7,529,020.20, 11,293,530.30 and 2,479,674.60 is: 3,719,511.90
Step by Step Solution
- Step 1: Write the proportion equation
7,529,020.20 : 11,293,530.30 = 2,479,674.60 : x - Step 2: Convert to fraction form
7,529,020.20/11,293,530.30 = 2,479,674.60/x - Step 3: Cross multiply
7,529,020.20x = 11,293,530.30 × 2,479,674.60 - Step 4: Simplify right side
7,529,020.20x = 28,004,280,229,240.38 - Step 5: Solve for x
x = 28,004,280,229,240.38/7,529,020.20 - Step 6: Final answer
x = 3,719,511.90
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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.