Finding the Fourth Proportional to 12,882,414.36, 17,777,627.02 and 7,081,134.42
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Solution
The fourth proportional to 12,882,414.36, 17,777,627.02 and 7,081,134.42 is: 9,771,907.90
Step by Step Solution
- Step 1: Write the proportion equation
12,882,414.36 : 17,777,627.02 = 7,081,134.42 : x - Step 2: Convert to fraction form
12,882,414.36/17,777,627.02 = 7,081,134.42/x - Step 3: Cross multiply
12,882,414.36x = 17,777,627.02 × 7,081,134.42 - Step 4: Simplify right side
12,882,414.36x = 125,885,766,597,244.03 - Step 5: Solve for x
x = 125,885,766,597,244.03/12,882,414.36 - Step 6: Final answer
x = 9,771,907.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.