Finding the Fourth Proportional to 19,716,131.97, 29,577,560.67 and 8,790,286.05
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Solution
The fourth proportional to 19,716,131.97, 29,577,560.67 and 8,790,286.05 is: 13,186,928.32
Step by Step Solution
- Step 1: Write the proportion equation
19,716,131.97 : 29,577,560.67 = 8,790,286.05 : x - Step 2: Convert to fraction form
19,716,131.97/29,577,560.67 = 8,790,286.05/x - Step 3: Cross multiply
19,716,131.97x = 29,577,560.67 × 8,790,286.05 - Step 4: Simplify right side
19,716,131.97x = 259,995,218,950,529.69 - Step 5: Solve for x
x = 259,995,218,950,529.69/19,716,131.97 - Step 6: Final answer
x = 13,186,928.32
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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.