Finding the Fourth Proportional to 18,442,571.48, 27,665,185.84 and 7,083,020.12
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Solution
The fourth proportional to 18,442,571.48, 27,665,185.84 and 7,083,020.12 is: 10,625,040.45
Step by Step Solution
- Step 1: Write the proportion equation
18,442,571.48 : 27,665,185.84 = 7,083,020.12 : x - Step 2: Convert to fraction form
18,442,571.48/27,665,185.84 = 7,083,020.12/x - Step 3: Cross multiply
18,442,571.48x = 27,665,185.84 × 7,083,020.12 - Step 4: Simplify right side
18,442,571.48x = 195,953,067,928,259.09 - Step 5: Solve for x
x = 195,953,067,928,259.09/18,442,571.48 - Step 6: Final answer
x = 10,625,040.45
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1.5x scale
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.