Finding the Fourth Proportional to 8,981,556.82, 12,394,552.97 and 4,851,587.75
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Solution
The fourth proportional to 8,981,556.82, 12,394,552.97 and 4,851,587.75 is: 6,695,193.55
Step by Step Solution
- Step 1: Write the proportion equation
8,981,556.82 : 12,394,552.97 = 4,851,587.75 : x - Step 2: Convert to fraction form
8,981,556.82/12,394,552.97 = 4,851,587.75/x - Step 3: Cross multiply
8,981,556.82x = 12,394,552.97 × 4,851,587.75 - Step 4: Simplify right side
8,981,556.82x = 60,133,261,306,134.32 - Step 5: Solve for x
x = 60,133,261,306,134.32/8,981,556.82 - Step 6: Final answer
x = 6,695,193.55
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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.