Finding the Fourth Proportional to 29,981,640.16, 41,374,320.24 and 16,230,302.56
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Solution
The fourth proportional to 29,981,640.16, 41,374,320.24 and 16,230,302.56 is: 22,397,631.75
Step by Step Solution
- Step 1: Write the proportion equation
29,981,640.16 : 41,374,320.24 = 16,230,302.56 : x - Step 2: Convert to fraction form
29,981,640.16/41,374,320.24 = 16,230,302.56/x - Step 3: Cross multiply
29,981,640.16x = 41,374,320.24 × 16,230,302.56 - Step 4: Simplify right side
29,981,640.16x = 671,517,735,709,531.88 - Step 5: Solve for x
x = 671,517,735,709,531.88/29,981,640.16 - Step 6: Final answer
x = 22,397,631.75
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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.