Finding the Fourth Proportional to 11,307,230.91, 16,962,738.15 and 8,878,286.17
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Solution
The fourth proportional to 11,307,230.91, 16,962,738.15 and 8,878,286.17 is: 13,318,914.66
Step by Step Solution
- Step 1: Write the proportion equation
11,307,230.91 : 16,962,738.15 = 8,878,286.17 : x - Step 2: Convert to fraction form
11,307,230.91/16,962,738.15 = 8,878,286.17/x - Step 3: Cross multiply
11,307,230.91x = 16,962,738.15 × 8,878,286.17 - Step 4: Simplify right side
11,307,230.91x = 150,600,043,522,476.38 - Step 5: Solve for x
x = 150,600,043,522,476.38/11,307,230.91 - Step 6: Final answer
x = 13,318,914.66
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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.