Finding the Fourth Proportional to 11,511,428.41, 15,885,821.94 and 6,354,832.33
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Solution
The fourth proportional to 11,511,428.41, 15,885,821.94 and 6,354,832.33 is: 8,769,696.62
Step by Step Solution
- Step 1: Write the proportion equation
11,511,428.41 : 15,885,821.94 = 6,354,832.33 : x - Step 2: Convert to fraction form
11,511,428.41/15,885,821.94 = 6,354,832.33/x - Step 3: Cross multiply
11,511,428.41x = 15,885,821.94 × 6,354,832.33 - Step 4: Simplify right side
11,511,428.41x = 100,951,734,852,935.31 - Step 5: Solve for x
x = 100,951,734,852,935.31/11,511,428.41 - Step 6: Final answer
x = 8,769,696.62
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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.