Finding the Fourth Proportional to 6,930,249.18, 10,344,613.92 and 6,112,136.22
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Solution
The fourth proportional to 6,930,249.18, 10,344,613.92 and 6,112,136.22 is: 9,123,436.66
Step by Step Solution
- Step 1: Write the proportion equation
6,930,249.18 : 10,344,613.92 = 6,112,136.22 : x - Step 2: Convert to fraction form
6,930,249.18/10,344,613.92 = 6,112,136.22/x - Step 3: Cross multiply
6,930,249.18x = 10,344,613.92 × 6,112,136.22 - Step 4: Simplify right side
6,930,249.18x = 63,227,689,422,348.18 - Step 5: Solve for x
x = 63,227,689,422,348.18/6,930,249.18 - Step 6: Final answer
x = 9,123,436.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.