Finding the Fourth Proportional to 21,085,886.62, 29,098,591.68 and 11,793,616
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Solution
The fourth proportional to 21,085,886.62, 29,098,591.68 and 11,793,616 is: 16,275,228.19
Step by Step Solution
- Step 1: Write the proportion equation
21,085,886.62 : 29,098,591.68 = 11,793,616 : x - Step 2: Convert to fraction form
21,085,886.62/29,098,591.68 = 11,793,616/x - Step 3: Cross multiply
21,085,886.62x = 29,098,591.68 × 11,793,616 - Step 4: Simplify right side
21,085,886.62x = 343,177,616,414,714.88 - Step 5: Solve for x
x = 343,177,616,414,714.88/21,085,886.62 - Step 6: Final answer
x = 16,275,228.19
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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.