Finding the Fourth Proportional to 11,332,680.96, 15,641,623.92 and 7,201,906.64
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Solution
The fourth proportional to 11,332,680.96, 15,641,623.92 and 7,201,906.64 is: 9,940,235.28
Step by Step Solution
- Step 1: Write the proportion equation
11,332,680.96 : 15,641,623.92 = 7,201,906.64 : x - Step 2: Convert to fraction form
11,332,680.96/15,641,623.92 = 7,201,906.64/x - Step 3: Cross multiply
11,332,680.96x = 15,641,623.92 × 7,201,906.64 - Step 4: Simplify right side
11,332,680.96x = 112,649,515,091,622.70 - Step 5: Solve for x
x = 112,649,515,091,622.70/11,332,680.96 - Step 6: Final answer
x = 9,940,235.28
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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.