Finding the Fourth Proportional to 11,511,340.96, 15,885,684.84 and 6,284,357.32
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Solution
The fourth proportional to 11,511,340.96, 15,885,684.84 and 6,284,357.32 is: 8,672,431.84
Step by Step Solution
- Step 1: Write the proportion equation
11,511,340.96 : 15,885,684.84 = 6,284,357.32 : x - Step 2: Convert to fraction form
11,511,340.96/15,885,684.84 = 6,284,357.32/x - Step 3: Cross multiply
11,511,340.96x = 15,885,684.84 × 6,284,357.32 - Step 4: Simplify right side
11,511,340.96x = 99,831,319,807,467.03 - Step 5: Solve for x
x = 99,831,319,807,467.03/11,511,340.96 - Step 6: Final answer
x = 8,672,431.84
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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.