Finding the Fourth Proportional to 11,243,057.10, 15,515,469.12 and 6,086,418.63
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Solution
The fourth proportional to 11,243,057.10, 15,515,469.12 and 6,086,418.63 is: 8,399,284.95
Step by Step Solution
- Step 1: Write the proportion equation
11,243,057.10 : 15,515,469.12 = 6,086,418.63 : x - Step 2: Convert to fraction form
11,243,057.10/15,515,469.12 = 6,086,418.63/x - Step 3: Cross multiply
11,243,057.10x = 15,515,469.12 × 6,086,418.63 - Step 4: Simplify right side
11,243,057.10x = 94,433,640,305,157.70 - Step 5: Solve for x
x = 94,433,640,305,157.70/11,243,057.10 - Step 6: Final answer
x = 8,399,284.95
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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.