Finding the Fourth Proportional to 27,984,296.79, 38,597,773.28 and 18,548,022.09
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Solution
The fourth proportional to 27,984,296.79, 38,597,773.28 and 18,548,022.09 is: 25,582,645.75
Step by Step Solution
- Step 1: Write the proportion equation
27,984,296.79 : 38,597,773.28 = 18,548,022.09 : x - Step 2: Convert to fraction form
27,984,296.79/38,597,773.28 = 18,548,022.09/x - Step 3: Cross multiply
27,984,296.79x = 38,597,773.28 × 18,548,022.09 - Step 4: Simplify right side
27,984,296.79x = 715,912,351,505,296.38 - Step 5: Solve for x
x = 715,912,351,505,296.38/27,984,296.79 - Step 6: Final answer
x = 25,582,645.75
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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.