Finding the Fourth Proportional to 11,372,016.75, 15,693,353.96 and 6,215,413.38
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Solution
The fourth proportional to 11,372,016.75, 15,693,353.96 and 6,215,413.38 is: 8,577,254.53
Step by Step Solution
- Step 1: Write the proportion equation
11,372,016.75 : 15,693,353.96 = 6,215,413.38 : x - Step 2: Convert to fraction form
11,372,016.75/15,693,353.96 = 6,215,413.38/x - Step 3: Cross multiply
11,372,016.75x = 15,693,353.96 × 6,215,413.38 - Step 4: Simplify right side
11,372,016.75x = 97,540,682,148,982.92 - Step 5: Solve for x
x = 97,540,682,148,982.92/11,372,016.75 - Step 6: Final answer
x = 8,577,254.53
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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.