Finding the Fourth Proportional to 21,770,680.37, 32,676,198.64 and 10,995,548.09
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Solution
The fourth proportional to 21,770,680.37, 32,676,198.64 and 10,995,548.09 is: 16,503,513.32
Step by Step Solution
- Step 1: Write the proportion equation
21,770,680.37 : 32,676,198.64 = 10,995,548.09 : x - Step 2: Convert to fraction form
21,770,680.37/32,676,198.64 = 10,995,548.09/x - Step 3: Cross multiply
21,770,680.37x = 32,676,198.64 × 10,995,548.09 - Step 4: Simplify right side
21,770,680.37x = 359,292,713,353,642.75 - Step 5: Solve for x
x = 359,292,713,353,642.75/21,770,680.37 - Step 6: Final answer
x = 16,503,513.32
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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.