Finding the Fourth Proportional to 18,147,442.40, 27,221,163.60 and 5,366,952.44
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Solution
The fourth proportional to 18,147,442.40, 27,221,163.60 and 5,366,952.44 is: 8,050,428.66
Step by Step Solution
- Step 1: Write the proportion equation
18,147,442.40 : 27,221,163.60 = 5,366,952.44 : x - Step 2: Convert to fraction form
18,147,442.40/27,221,163.60 = 5,366,952.44/x - Step 3: Cross multiply
18,147,442.40x = 27,221,163.60 × 5,366,952.44 - Step 4: Simplify right side
18,147,442.40x = 146,094,690,402,659.22 - Step 5: Solve for x
x = 146,094,690,402,659.22/18,147,442.40 - Step 6: Final answer
x = 8,050,428.66
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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.