Finding the Fourth Proportional to 14,486,733.72, 19,990,522.44 and 8,375,555.88
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Solution
The fourth proportional to 14,486,733.72, 19,990,522.44 and 8,375,555.88 is: 11,557,590.62
Step by Step Solution
- Step 1: Write the proportion equation
14,486,733.72 : 19,990,522.44 = 8,375,555.88 : x - Step 2: Convert to fraction form
14,486,733.72/19,990,522.44 = 8,375,555.88/x - Step 3: Cross multiply
14,486,733.72x = 19,990,522.44 × 8,375,555.88 - Step 4: Simplify right side
14,486,733.72x = 167,431,737,766,613.97 - Step 5: Solve for x
x = 167,431,737,766,613.97/14,486,733.72 - Step 6: Final answer
x = 11,557,590.62
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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.