Finding the Fourth Proportional to 18,053,964.11, 27,087,687.89 and 7,274,323.12
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Solution
The fourth proportional to 18,053,964.11, 27,087,687.89 and 7,274,323.12 is: 10,914,201.06
Step by Step Solution
- Step 1: Write the proportion equation
18,053,964.11 : 27,087,687.89 = 7,274,323.12 : x - Step 2: Convert to fraction form
18,053,964.11/27,087,687.89 = 7,274,323.12/x - Step 3: Cross multiply
18,053,964.11x = 27,087,687.89 × 7,274,323.12 - Step 4: Simplify right side
18,053,964.11x = 197,044,594,285,571.03 - Step 5: Solve for x
x = 197,044,594,285,571.03/18,053,964.11 - Step 6: Final answer
x = 10,914,201.06
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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.