Finding the Fourth Proportional to 11,986,514.99, 16,537,343.05 and 6,826,222.88
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Solution
The fourth proportional to 11,986,514.99, 16,537,343.05 and 6,826,222.88 is: 9,417,882.48
Step by Step Solution
- Step 1: Write the proportion equation
11,986,514.99 : 16,537,343.05 = 6,826,222.88 : x - Step 2: Convert to fraction form
11,986,514.99/16,537,343.05 = 6,826,222.88/x - Step 3: Cross multiply
11,986,514.99x = 16,537,343.05 × 6,826,222.88 - Step 4: Simplify right side
11,986,514.99x = 112,887,589,502,318.98 - Step 5: Solve for x
x = 112,887,589,502,318.98/11,986,514.99 - Step 6: Final answer
x = 9,417,882.48
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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.