Finding the Fourth Proportional to 7,016,412.75, 9,682,649.67 and 3,797,148.75
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Solution
The fourth proportional to 7,016,412.75, 9,682,649.67 and 3,797,148.75 is: 5,240,065.32
Step by Step Solution
- Step 1: Write the proportion equation
7,016,412.75 : 9,682,649.67 = 3,797,148.75 : x - Step 2: Convert to fraction form
7,016,412.75/9,682,649.67 = 3,797,148.75/x - Step 3: Cross multiply
7,016,412.75x = 9,682,649.67 × 3,797,148.75 - Step 4: Simplify right side
7,016,412.75x = 36,766,461,091,128.41 - Step 5: Solve for x
x = 36,766,461,091,128.41/7,016,412.75 - Step 6: Final answer
x = 5,240,065.32
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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.