Finding the Fourth Proportional to 27,841,546.56, 38,425,951.92 and 16,239,109.68
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Solution
The fourth proportional to 27,841,546.56, 38,425,951.92 and 16,239,109.68 is: 22,412,664.70
Step by Step Solution
- Step 1: Write the proportion equation
27,841,546.56 : 38,425,951.92 = 16,239,109.68 : x - Step 2: Convert to fraction form
27,841,546.56/38,425,951.92 = 16,239,109.68/x - Step 3: Cross multiply
27,841,546.56x = 38,425,951.92 × 16,239,109.68 - Step 4: Simplify right side
27,841,546.56x = 624,003,247,787,286.62 - Step 5: Solve for x
x = 624,003,247,787,286.62/27,841,546.56 - Step 6: Final answer
x = 22,412,664.70
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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.