Finding the Fourth Proportional to 18,375,535.50, 27,561,202.11 and 4,913,413.26
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Solution
The fourth proportional to 18,375,535.50, 27,561,202.11 and 4,913,413.26 is: 7,369,558.07
Step by Step Solution
- Step 1: Write the proportion equation
18,375,535.50 : 27,561,202.11 = 4,913,413.26 : x - Step 2: Convert to fraction form
18,375,535.50/27,561,202.11 = 4,913,413.26/x - Step 3: Cross multiply
18,375,535.50x = 27,561,202.11 × 4,913,413.26 - Step 4: Simplify right side
18,375,535.50x = 135,419,575,908,813.97 - Step 5: Solve for x
x = 135,419,575,908,813.97/18,375,535.50 - Step 6: Final answer
x = 7,369,558.07
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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.