Finding the Fourth Proportional to 11,168,187.81, 16,753,246.65 and 3,081,163.44
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Solution
The fourth proportional to 11,168,187.81, 16,753,246.65 and 3,081,163.44 is: 4,622,011.37
Step by Step Solution
- Step 1: Write the proportion equation
11,168,187.81 : 16,753,246.65 = 3,081,163.44 : x - Step 2: Convert to fraction form
11,168,187.81/16,753,246.65 = 3,081,163.44/x - Step 3: Cross multiply
11,168,187.81x = 16,753,246.65 × 3,081,163.44 - Step 4: Simplify right side
11,168,187.81x = 51,619,491,079,282.48 - Step 5: Solve for x
x = 51,619,491,079,282.48/11,168,187.81 - Step 6: Final answer
x = 4,622,011.37
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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.