Finding the Fourth Proportional to 18,544,456.26, 25,590,450.09 and 10,284,846.15
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Solution
The fourth proportional to 18,544,456.26, 25,590,450.09 and 10,284,846.15 is: 14,192,588.79
Step by Step Solution
- Step 1: Write the proportion equation
18,544,456.26 : 25,590,450.09 = 10,284,846.15 : x - Step 2: Convert to fraction form
18,544,456.26/25,590,450.09 = 10,284,846.15/x - Step 3: Cross multiply
18,544,456.26x = 25,590,450.09 × 10,284,846.15 - Step 4: Simplify right side
18,544,456.26x = 263,193,842,084,903.66 - Step 5: Solve for x
x = 263,193,842,084,903.66/18,544,456.26 - Step 6: Final answer
x = 14,192,588.79
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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.