Finding the Fourth Proportional to 8,656,418.24, 11,946,208.84 and 4,788,872.76
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Solution
The fourth proportional to 8,656,418.24, 11,946,208.84 and 4,788,872.76 is: 6,608,838.96
Step by Step Solution
- Step 1: Write the proportion equation
8,656,418.24 : 11,946,208.84 = 4,788,872.76 : x - Step 2: Convert to fraction form
8,656,418.24/11,946,208.84 = 4,788,872.76/x - Step 3: Cross multiply
8,656,418.24x = 11,946,208.84 × 4,788,872.76 - Step 4: Simplify right side
8,656,418.24x = 57,208,874,099,147.20 - Step 5: Solve for x
x = 57,208,874,099,147.20/8,656,418.24 - Step 6: Final answer
x = 6,608,838.96
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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.