Finding the Fourth Proportional to 11,243,049.13, 15,515,413.05 and 6,086,410.75
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Solution
The fourth proportional to 11,243,049.13, 15,515,413.05 and 6,086,410.75 is: 8,399,249.68
Step by Step Solution
- Step 1: Write the proportion equation
11,243,049.13 : 15,515,413.05 = 6,086,410.75 : x - Step 2: Convert to fraction form
11,243,049.13/15,515,413.05 = 6,086,410.75/x - Step 3: Cross multiply
11,243,049.13x = 15,515,413.05 × 6,086,410.75 - Step 4: Simplify right side
11,243,049.13x = 94,433,176,778,210.30 - Step 5: Solve for x
x = 94,433,176,778,210.30/11,243,049.13 - Step 6: Final answer
x = 8,399,249.68
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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.