Finding the Fourth Proportional to 27,013,769.75, 37,278,994.35 and 14,623,853.97
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Solution
The fourth proportional to 27,013,769.75, 37,278,994.35 and 14,623,853.97 is: 20,180,914.21
Step by Step Solution
- Step 1: Write the proportion equation
27,013,769.75 : 37,278,994.35 = 14,623,853.97 : x - Step 2: Convert to fraction form
27,013,769.75/37,278,994.35 = 14,623,853.97/x - Step 3: Cross multiply
27,013,769.75x = 37,278,994.35 × 14,623,853.97 - Step 4: Simplify right side
27,013,769.75x = 545,162,569,717,490.75 - Step 5: Solve for x
x = 545,162,569,717,490.75/27,013,769.75 - Step 6: Final answer
x = 20,180,914.21
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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.