Finding the Fourth Proportional to 29,981,930.66, 41,375,078.17 and 16,230,894.80
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Solution
The fourth proportional to 29,981,930.66, 41,375,078.17 and 16,230,894.80 is: 22,398,642.32
Step by Step Solution
- Step 1: Write the proportion equation
29,981,930.66 : 41,375,078.17 = 16,230,894.80 : x - Step 2: Convert to fraction form
29,981,930.66/41,375,078.17 = 16,230,894.80/x - Step 3: Cross multiply
29,981,930.66x = 41,375,078.17 × 16,230,894.80 - Step 4: Simplify right side
29,981,930.66x = 671,554,540,871,593.88 - Step 5: Solve for x
x = 671,554,540,871,593.88/29,981,930.66 - Step 6: Final answer
x = 22,398,642.32
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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.