Finding the Fourth Proportional to 11,670,318.09, 16,103,553.57 and 6,513,896.97
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Solution
The fourth proportional to 11,670,318.09, 16,103,553.57 and 6,513,896.97 is: 8,988,348.73
Step by Step Solution
- Step 1: Write the proportion equation
11,670,318.09 : 16,103,553.57 = 6,513,896.97 : x - Step 2: Convert to fraction form
11,670,318.09/16,103,553.57 = 6,513,896.97/x - Step 3: Cross multiply
11,670,318.09x = 16,103,553.57 × 6,513,896.97 - Step 4: Simplify right side
11,670,318.09x = 104,896,888,805,855.69 - Step 5: Solve for x
x = 104,896,888,805,855.69/11,670,318.09 - Step 6: Final answer
x = 8,988,348.73
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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.