Finding the Fourth Proportional to 8,125,200.75, 11,212,778.66 and 4,503,528.75
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Solution
The fourth proportional to 8,125,200.75, 11,212,778.66 and 4,503,528.75 is: 6,214,870.58
Step by Step Solution
- Step 1: Write the proportion equation
8,125,200.75 : 11,212,778.66 = 4,503,528.75 : x - Step 2: Convert to fraction form
8,125,200.75/11,212,778.66 = 4,503,528.75/x - Step 3: Cross multiply
8,125,200.75x = 11,212,778.66 × 4,503,528.75 - Step 4: Simplify right side
8,125,200.75x = 50,497,071,062,696.48 - Step 5: Solve for x
x = 50,497,071,062,696.48/8,125,200.75 - Step 6: Final answer
x = 6,214,870.58
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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.