Finding the Fourth Proportional to 6,926,966.99, 9,557,628.40 and 4,135,546.97
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Solution
The fourth proportional to 6,926,966.99, 9,557,628.40 and 4,135,546.97 is: 5,706,107.92
Step by Step Solution
- Step 1: Write the proportion equation
6,926,966.99 : 9,557,628.40 = 4,135,546.97 : x - Step 2: Convert to fraction form
6,926,966.99/9,557,628.40 = 4,135,546.97/x - Step 3: Cross multiply
6,926,966.99x = 9,557,628.40 × 4,135,546.97 - Step 4: Simplify right side
6,926,966.99x = 39,526,021,170,005.95 - Step 5: Solve for x
x = 39,526,021,170,005.95/6,926,966.99 - Step 6: Final answer
x = 5,706,107.92
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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.