Finding the Fourth Proportional to 11,275,414.12, 15,560,112.18 and 6,118,774.30
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Solution
The fourth proportional to 11,275,414.12, 15,560,112.18 and 6,118,774.30 is: 8,443,930.62
Step by Step Solution
- Step 1: Write the proportion equation
11,275,414.12 : 15,560,112.18 = 6,118,774.30 : x - Step 2: Convert to fraction form
11,275,414.12/15,560,112.18 = 6,118,774.30/x - Step 3: Cross multiply
11,275,414.12x = 15,560,112.18 × 6,118,774.30 - Step 4: Simplify right side
11,275,414.12x = 95,208,814,512,100.97 - Step 5: Solve for x
x = 95,208,814,512,100.97/11,275,414.12 - Step 6: Final answer
x = 8,443,930.62
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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.