Finding the Fourth Proportional to 11,511,436.96, 15,885,833.76 and 6,354,840.88
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Solution
The fourth proportional to 11,511,436.96, 15,885,833.76 and 6,354,840.88 is: 8,769,708.43
Step by Step Solution
- Step 1: Write the proportion equation
11,511,436.96 : 15,885,833.76 = 6,354,840.88 : x - Step 2: Convert to fraction form
11,511,436.96/15,885,833.76 = 6,354,840.88/x - Step 3: Cross multiply
11,511,436.96x = 15,885,833.76 × 6,354,840.88 - Step 4: Simplify right side
11,511,436.96x = 100,951,945,790,932.11 - Step 5: Solve for x
x = 100,951,945,790,932.11/11,511,436.96 - Step 6: Final answer
x = 8,769,708.43
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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.