Finding the Fourth Proportional to 27,306,599.08, 37,682,991.78 and 15,083,456.08
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Solution
The fourth proportional to 27,306,599.08, 37,682,991.78 and 15,083,456.08 is: 20,815,105.89
Step by Step Solution
- Step 1: Write the proportion equation
27,306,599.08 : 37,682,991.78 = 15,083,456.08 : x - Step 2: Convert to fraction form
27,306,599.08/37,682,991.78 = 15,083,456.08/x - Step 3: Cross multiply
27,306,599.08x = 37,682,991.78 × 15,083,456.08 - Step 4: Simplify right side
27,306,599.08x = 568,389,751,476,631 - Step 5: Solve for x
x = 568,389,751,476,631/27,306,599.08 - Step 6: Final answer
x = 20,815,105.89
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1.5x scale
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.