Finding the Fourth Proportional to 7,458,413.31, 11,183,120.21 and 2,847,700.63
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Solution
The fourth proportional to 7,458,413.31, 11,183,120.21 and 2,847,700.63 is: 4,269,832.89
Step by Step Solution
- Step 1: Write the proportion equation
7,458,413.31 : 11,183,120.21 = 2,847,700.63 : x - Step 2: Convert to fraction form
7,458,413.31/11,183,120.21 = 2,847,700.63/x - Step 3: Cross multiply
7,458,413.31x = 11,183,120.21 × 2,847,700.63 - Step 4: Simplify right side
7,458,413.31x = 31,846,178,488,480.89 - Step 5: Solve for x
x = 31,846,178,488,480.89/7,458,413.31 - Step 6: Final answer
x = 4,269,832.89
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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.