Finding the Fourth Proportional to 10,891,343.03, 16,338,789.18 and 3,215,763.79
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Solution
The fourth proportional to 10,891,343.03, 16,338,789.18 and 3,215,763.79 is: 4,824,169.66
Step by Step Solution
- Step 1: Write the proportion equation
10,891,343.03 : 16,338,789.18 = 3,215,763.79 : x - Step 2: Convert to fraction form
10,891,343.03/16,338,789.18 = 3,215,763.79/x - Step 3: Cross multiply
10,891,343.03x = 16,338,789.18 × 3,215,763.79 - Step 4: Simplify right side
10,891,343.03x = 52,541,686,576,640.82 - Step 5: Solve for x
x = 52,541,686,576,640.82/10,891,343.03 - Step 6: Final answer
x = 4,824,169.66
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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.