Finding the Fourth Proportional to 11,397,304.22, 15,728,305.28 and 6,170,367.47
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Solution
The fourth proportional to 11,397,304.22, 15,728,305.28 and 6,170,367.47 is: 8,515,120.88
Step by Step Solution
- Step 1: Write the proportion equation
11,397,304.22 : 15,728,305.28 = 6,170,367.47 : x - Step 2: Convert to fraction form
11,397,304.22/15,728,305.28 = 6,170,367.47/x - Step 3: Cross multiply
11,397,304.22x = 15,728,305.28 × 6,170,367.47 - Step 4: Simplify right side
11,397,304.22x = 97,049,423,148,447.88 - Step 5: Solve for x
x = 97,049,423,148,447.88/11,397,304.22 - Step 6: Final answer
x = 8,515,120.88
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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.