Finding the Fourth Proportional to 7,756,104.16, 11,639,470.38 and 2,707,414.12
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Solution
The fourth proportional to 7,756,104.16, 11,639,470.38 and 2,707,414.12 is: 4,062,976.18
Step by Step Solution
- Step 1: Write the proportion equation
7,756,104.16 : 11,639,470.38 = 2,707,414.12 : x - Step 2: Convert to fraction form
7,756,104.16/11,639,470.38 = 2,707,414.12/x - Step 3: Cross multiply
7,756,104.16x = 11,639,470.38 × 2,707,414.12 - Step 4: Simplify right side
7,756,104.16x = 31,512,866,456,133.77 - Step 5: Solve for x
x = 31,512,866,456,133.77/7,756,104.16 - Step 6: Final answer
x = 4,062,976.18
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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.