Finding the Fourth Proportional to 11,915,954.40, 17,859,934.80 and 5,512,680.84
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Solution
The fourth proportional to 11,915,954.40, 17,859,934.80 and 5,512,680.84 is: 8,262,545.92
Step by Step Solution
- Step 1: Write the proportion equation
11,915,954.40 : 17,859,934.80 = 5,512,680.84 : x - Step 2: Convert to fraction form
11,915,954.40/17,859,934.80 = 5,512,680.84/x - Step 3: Cross multiply
11,915,954.40x = 17,859,934.80 × 5,512,680.84 - Step 4: Simplify right side
11,915,954.40x = 98,456,120,375,609.23 - Step 5: Solve for x
x = 98,456,120,375,609.23/11,915,954.40 - Step 6: Final answer
x = 8,262,545.92
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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.