Finding the Fourth Proportional to 18,478,087.14, 27,716,825.78 and 5,524,268.13
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Solution
The fourth proportional to 18,478,087.14, 27,716,825.78 and 5,524,268.13 is: 8,286,311.03
Step by Step Solution
- Step 1: Write the proportion equation
18,478,087.14 : 27,716,825.78 = 5,524,268.13 : x - Step 2: Convert to fraction form
18,478,087.14/27,716,825.78 = 5,524,268.13/x - Step 3: Cross multiply
18,478,087.14x = 27,716,825.78 × 5,524,268.13 - Step 4: Simplify right side
18,478,087.14x = 153,115,177,293,595.03 - Step 5: Solve for x
x = 153,115,177,293,595.03/18,478,087.14 - Step 6: Final answer
x = 8,286,311.03
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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.