Finding the Fourth Proportional to 7,477,320.24, 10,322,146.44 and 4,379,413.68
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Solution
The fourth proportional to 7,477,320.24, 10,322,146.44 and 4,379,413.68 is: 6,045,608.30
Step by Step Solution
- Step 1: Write the proportion equation
7,477,320.24 : 10,322,146.44 = 4,379,413.68 : x - Step 2: Convert to fraction form
7,477,320.24/10,322,146.44 = 4,379,413.68/x - Step 3: Cross multiply
7,477,320.24x = 10,322,146.44 × 4,379,413.68 - Step 4: Simplify right side
7,477,320.24x = 45,204,949,326,299.30 - Step 5: Solve for x
x = 45,204,949,326,299.30/7,477,320.24 - Step 6: Final answer
x = 6,045,608.30
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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.