Finding the Fourth Proportional to 7,744,640.88, 10,686,785.88 and 4,306,326.96
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Solution
The fourth proportional to 7,744,640.88, 10,686,785.88 and 4,306,326.96 is: 5,942,276.07
Step by Step Solution
- Step 1: Write the proportion equation
7,744,640.88 : 10,686,785.88 = 4,306,326.96 : x - Step 2: Convert to fraction form
7,744,640.88/10,686,785.88 = 4,306,326.96/x - Step 3: Cross multiply
7,744,640.88x = 10,686,785.88 × 4,306,326.96 - Step 4: Simplify right side
7,744,640.88x = 46,020,794,150,791.33 - Step 5: Solve for x
x = 46,020,794,150,791.33/7,744,640.88 - Step 6: Final answer
x = 5,942,276.07
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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.