Finding the Fourth Proportional to 11,511,416.07, 15,885,804.92 and 6,354,819.99
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Solution
The fourth proportional to 11,511,416.07, 15,885,804.92 and 6,354,819.99 is: 8,769,679.60
Step by Step Solution
- Step 1: Write the proportion equation
11,511,416.07 : 15,885,804.92 = 6,354,819.99 : x - Step 2: Convert to fraction form
11,511,416.07/15,885,804.92 = 6,354,819.99/x - Step 3: Cross multiply
11,511,416.07x = 15,885,804.92 × 6,354,819.99 - Step 4: Simplify right side
11,511,416.07x = 100,951,430,631,082.25 - Step 5: Solve for x
x = 100,951,430,631,082.25/11,511,416.07 - Step 6: Final answer
x = 8,769,679.60
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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.