Finding the Fourth Proportional to 8,809,608.48, 12,157,342.62 and 4,942,212.66
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Solution
The fourth proportional to 8,809,608.48, 12,157,342.62 and 4,942,212.66 is: 6,820,299.99
Step by Step Solution
- Step 1: Write the proportion equation
8,809,608.48 : 12,157,342.62 = 4,942,212.66 : x - Step 2: Convert to fraction form
8,809,608.48/12,157,342.62 = 4,942,212.66/x - Step 3: Cross multiply
8,809,608.48x = 12,157,342.62 × 4,942,212.66 - Step 4: Simplify right side
8,809,608.48x = 60,084,172,608,521.57 - Step 5: Solve for x
x = 60,084,172,608,521.57/8,809,608.48 - Step 6: Final answer
x = 6,820,299.99
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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.