Finding the Fourth Proportional to 16,816,722.92, 23,207,076.84 and 9,081,764.60
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Solution
The fourth proportional to 16,816,722.92, 23,207,076.84 and 9,081,764.60 is: 12,532,834.72
Step by Step Solution
- Step 1: Write the proportion equation
16,816,722.92 : 23,207,076.84 = 9,081,764.60 : x - Step 2: Convert to fraction form
16,816,722.92/23,207,076.84 = 9,081,764.60/x - Step 3: Cross multiply
16,816,722.92x = 23,207,076.84 × 9,081,764.60 - Step 4: Simplify right side
16,816,722.92x = 210,761,208,914,991.84 - Step 5: Solve for x
x = 210,761,208,914,991.84/16,816,722.92 - Step 6: Final answer
x = 12,532,834.72
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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.