Finding the Fourth Proportional to 11,660,363.07, 17,370,872.45 and 11,135,733.09
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Solution
The fourth proportional to 11,660,363.07, 17,370,872.45 and 11,135,733.09 is: 16,589,311.84
Step by Step Solution
- Step 1: Write the proportion equation
11,660,363.07 : 17,370,872.45 = 11,135,733.09 : x - Step 2: Convert to fraction form
11,660,363.07/17,370,872.45 = 11,135,733.09/x - Step 3: Cross multiply
11,660,363.07x = 17,370,872.45 × 11,135,733.09 - Step 4: Simplify right side
11,660,363.07x = 193,437,399,087,955.72 - Step 5: Solve for x
x = 193,437,399,087,955.72/11,660,363.07 - Step 6: Final answer
x = 16,589,311.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.