Finding the Fourth Proportional to 19,546,959.80, 29,383,425.30 and 13,906,249.40
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Solution
The fourth proportional to 19,546,959.80, 29,383,425.30 and 13,906,249.40 is: 20,904,183.80
Step by Step Solution
- Step 1: Write the proportion equation
19,546,959.80 : 29,383,425.30 = 13,906,249.40 : x - Step 2: Convert to fraction form
19,546,959.80/29,383,425.30 = 13,906,249.40/x - Step 3: Cross multiply
19,546,959.80x = 29,383,425.30 × 13,906,249.40 - Step 4: Simplify right side
19,546,959.80x = 408,613,240,448,069.81 - Step 5: Solve for x
x = 408,613,240,448,069.81/19,546,959.80 - Step 6: Final answer
x = 20,904,183.80
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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.