Finding the Fourth Proportional to 11,639,733.57, 16,062,836.75 and 6,747,791.49
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Solution
The fourth proportional to 11,639,733.57, 16,062,836.75 and 6,747,791.49 is: 9,311,954.82
Step by Step Solution
- Step 1: Write the proportion equation
11,639,733.57 : 16,062,836.75 = 6,747,791.49 : x - Step 2: Convert to fraction form
11,639,733.57/16,062,836.75 = 6,747,791.49/x - Step 3: Cross multiply
11,639,733.57x = 16,062,836.75 × 6,747,791.49 - Step 4: Simplify right side
11,639,733.57x = 108,388,673,126,909.27 - Step 5: Solve for x
x = 108,388,673,126,909.27/11,639,733.57 - Step 6: Final answer
x = 9,311,954.82
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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.