Finding the Fourth Proportional to 11,491,633.49, 15,858,630.15 and 6,264,644.70
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Solution
The fourth proportional to 11,491,633.49, 15,858,630.15 and 6,264,644.70 is: 8,645,305.60
Step by Step Solution
- Step 1: Write the proportion equation
11,491,633.49 : 15,858,630.15 = 6,264,644.70 : x - Step 2: Convert to fraction form
11,491,633.49/15,858,630.15 = 6,264,644.70/x - Step 3: Cross multiply
11,491,633.49x = 15,858,630.15 × 6,264,644.70 - Step 4: Simplify right side
11,491,633.49x = 99,348,683,354,435.16 - Step 5: Solve for x
x = 99,348,683,354,435.16/11,491,633.49 - Step 6: Final answer
x = 8,645,305.60
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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.