Finding the Fourth Proportional to 21,678,275.68, 32,517,427.44 and 5,505,439.84
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Solution
The fourth proportional to 21,678,275.68, 32,517,427.44 and 5,505,439.84 is: 8,258,163.30
Step by Step Solution
- Step 1: Write the proportion equation
21,678,275.68 : 32,517,427.44 = 5,505,439.84 : x - Step 2: Convert to fraction form
21,678,275.68/32,517,427.44 = 5,505,439.84/x - Step 3: Cross multiply
21,678,275.68x = 32,517,427.44 × 5,505,439.84 - Step 4: Simplify right side
21,678,275.68x = 179,022,740,522,485.22 - Step 5: Solve for x
x = 179,022,740,522,485.22/21,678,275.68 - Step 6: Final answer
x = 8,258,163.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.