Finding the Fourth Proportional to 7,792,708.20, 11,689,062.30 and 2,743,362.60
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Solution
The fourth proportional to 7,792,708.20, 11,689,062.30 and 2,743,362.60 is: 4,115,043.90
Step by Step Solution
- Step 1: Write the proportion equation
7,792,708.20 : 11,689,062.30 = 2,743,362.60 : x - Step 2: Convert to fraction form
7,792,708.20/11,689,062.30 = 2,743,362.60/x - Step 3: Cross multiply
7,792,708.20x = 11,689,062.30 × 2,743,362.60 - Step 4: Simplify right side
7,792,708.20x = 32,067,336,342,889.98 - Step 5: Solve for x
x = 32,067,336,342,889.98/7,792,708.20 - Step 6: Final answer
x = 4,115,043.90
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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.