Finding the Fourth Proportional to 8,161,317.63, 12,223,365.08 and 3,904,497.09
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Solution
The fourth proportional to 8,161,317.63, 12,223,365.08 and 3,904,497.09 is: 5,847,841.68
Step by Step Solution
- Step 1: Write the proportion equation
8,161,317.63 : 12,223,365.08 = 3,904,497.09 : x - Step 2: Convert to fraction form
8,161,317.63/12,223,365.08 = 3,904,497.09/x - Step 3: Cross multiply
8,161,317.63x = 12,223,365.08 × 3,904,497.09 - Step 4: Simplify right side
8,161,317.63x = 47,726,093,365,345.12 - Step 5: Solve for x
x = 47,726,093,365,345.12/8,161,317.63 - Step 6: Final answer
x = 5,847,841.68
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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.