Finding the Fourth Proportional to 11,802,679.68, 16,289,249.76 and 6,647,049.12
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Solution
The fourth proportional to 11,802,679.68, 16,289,249.76 and 6,647,049.12 is: 9,173,801.73
Step by Step Solution
- Step 1: Write the proportion equation
11,802,679.68 : 16,289,249.76 = 6,647,049.12 : x - Step 2: Convert to fraction form
11,802,679.68/16,289,249.76 = 6,647,049.12/x - Step 3: Cross multiply
11,802,679.68x = 16,289,249.76 × 6,647,049.12 - Step 4: Simplify right side
11,802,679.68x = 108,275,443,282,668.22 - Step 5: Solve for x
x = 108,275,443,282,668.22/11,802,679.68 - Step 6: Final answer
x = 9,173,801.73
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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.