Finding the Fourth Proportional to 11,307,916.44, 15,604,912.86 and 6,151,265.68
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Solution
The fourth proportional to 11,307,916.44, 15,604,912.86 and 6,151,265.68 is: 8,488,740.20
Step by Step Solution
- Step 1: Write the proportion equation
11,307,916.44 : 15,604,912.86 = 6,151,265.68 : x - Step 2: Convert to fraction form
11,307,916.44/15,604,912.86 = 6,151,265.68/x - Step 3: Cross multiply
11,307,916.44x = 15,604,912.86 × 6,151,265.68 - Step 4: Simplify right side
11,307,916.44x = 95,989,964,915,108.64 - Step 5: Solve for x
x = 95,989,964,915,108.64/11,307,916.44 - Step 6: Final answer
x = 8,488,740.20
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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.