Finding the Fourth Proportional to 7,296,292.62, 10,068,886.04 and 3,988,601.26
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Solution
The fourth proportional to 7,296,292.62, 10,068,886.04 and 3,988,601.26 is: 5,504,270.95
Step by Step Solution
- Step 1: Write the proportion equation
7,296,292.62 : 10,068,886.04 = 3,988,601.26 : x - Step 2: Convert to fraction form
7,296,292.62/10,068,886.04 = 3,988,601.26/x - Step 3: Cross multiply
7,296,292.62x = 10,068,886.04 × 3,988,601.26 - Step 4: Simplify right side
7,296,292.62x = 40,160,771,500,825.19 - Step 5: Solve for x
x = 40,160,771,500,825.19/7,296,292.62 - Step 6: Final answer
x = 5,504,270.95
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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.