Finding the Fourth Proportional to 7,722,013.36, 11,586,070.91 and 2,930,974.33
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Solution
The fourth proportional to 7,722,013.36, 11,586,070.91 and 2,930,974.33 is: 4,397,619.49
Step by Step Solution
- Step 1: Write the proportion equation
7,722,013.36 : 11,586,070.91 = 2,930,974.33 : x - Step 2: Convert to fraction form
7,722,013.36/11,586,070.91 = 2,930,974.33/x - Step 3: Cross multiply
7,722,013.36x = 11,586,070.91 × 2,930,974.33 - Step 4: Simplify right side
7,722,013.36x = 33,958,476,422,769.74 - Step 5: Solve for x
x = 33,958,476,422,769.74/7,722,013.36 - Step 6: Final answer
x = 4,397,619.49
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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.