Finding the Fourth Proportional to 11,268,415.24, 15,550,414.02 and 6,373,531.90
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Solution
The fourth proportional to 11,268,415.24, 15,550,414.02 and 6,373,531.90 is: 8,795,474.58
Step by Step Solution
- Step 1: Write the proportion equation
11,268,415.24 : 15,550,414.02 = 6,373,531.90 : x - Step 2: Convert to fraction form
11,268,415.24/15,550,414.02 = 6,373,531.90/x - Step 3: Cross multiply
11,268,415.24x = 15,550,414.02 × 6,373,531.90 - Step 4: Simplify right side
11,268,415.24x = 99,111,059,814,677.23 - Step 5: Solve for x
x = 99,111,059,814,677.23/11,268,415.24 - Step 6: Final answer
x = 8,795,474.58
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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.