Finding the Fourth Proportional to 27,372,891.98, 37,775,551.79 and 14,982,995.54
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Solution
The fourth proportional to 27,372,891.98, 37,775,551.79 and 14,982,995.54 is: 20,677,059.79
Step by Step Solution
- Step 1: Write the proportion equation
27,372,891.98 : 37,775,551.79 = 14,982,995.54 : x - Step 2: Convert to fraction form
27,372,891.98/37,775,551.79 = 14,982,995.54/x - Step 3: Cross multiply
27,372,891.98x = 37,775,551.79 × 14,982,995.54 - Step 4: Simplify right side
27,372,891.98x = 565,990,923,990,609 - Step 5: Solve for x
x = 565,990,923,990,609/27,372,891.98 - Step 6: Final answer
x = 20,677,059.79
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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.