Finding the Fourth Proportional to 11,847,469.13, 17,771,203.69 and 2,872,021.13
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Solution
The fourth proportional to 11,847,469.13, 17,771,203.69 and 2,872,021.13 is: 4,308,031.69
Step by Step Solution
- Step 1: Write the proportion equation
11,847,469.13 : 17,771,203.69 = 2,872,021.13 : x - Step 2: Convert to fraction form
11,847,469.13/17,771,203.69 = 2,872,021.13/x - Step 3: Cross multiply
11,847,469.13x = 17,771,203.69 × 2,872,021.13 - Step 4: Simplify right side
11,847,469.13x = 51,039,272,503,213.97 - Step 5: Solve for x
x = 51,039,272,503,213.97/11,847,469.13 - Step 6: Final answer
x = 4,308,031.69
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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.