Finding the Fourth Proportional to 19,969,812.62, 27,550,944.67 and 14,755,392.26
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Solution
The fourth proportional to 19,969,812.62, 27,550,944.67 and 14,755,392.26 is: 20,356,975.98
Step by Step Solution
- Step 1: Write the proportion equation
19,969,812.62 : 27,550,944.67 = 14,755,392.26 : x - Step 2: Convert to fraction form
19,969,812.62/27,550,944.67 = 14,755,392.26/x - Step 3: Cross multiply
19,969,812.62x = 27,550,944.67 × 14,755,392.26 - Step 4: Simplify right side
19,969,812.62x = 406,524,995,739,406.25 - Step 5: Solve for x
x = 406,524,995,739,406.25/19,969,812.62 - Step 6: Final answer
x = 20,356,975.98
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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.