Finding the Fourth Proportional to 18,056,837.20, 27,092,853.60 and 11,239,112.56
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Solution
The fourth proportional to 18,056,837.20, 27,092,853.60 and 11,239,112.56 is: 16,863,397.94
Step by Step Solution
- Step 1: Write the proportion equation
18,056,837.20 : 27,092,853.60 = 11,239,112.56 : x - Step 2: Convert to fraction form
18,056,837.20/27,092,853.60 = 11,239,112.56/x - Step 3: Cross multiply
18,056,837.20x = 27,092,853.60 × 11,239,112.56 - Step 4: Simplify right side
18,056,837.20x = 304,499,631,182,001.25 - Step 5: Solve for x
x = 304,499,631,182,001.25/18,056,837.20 - Step 6: Final answer
x = 16,863,397.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.