Finding the Fourth Proportional to 11,452,287.61, 17,177,982.67 and 3,879,253.09
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Solution
The fourth proportional to 11,452,287.61, 17,177,982.67 and 3,879,253.09 is: 5,818,727.63
Step by Step Solution
- Step 1: Write the proportion equation
11,452,287.61 : 17,177,982.67 = 3,879,253.09 : x - Step 2: Convert to fraction form
11,452,287.61/17,177,982.67 = 3,879,253.09/x - Step 3: Cross multiply
11,452,287.61x = 17,177,982.67 × 3,879,253.09 - Step 4: Simplify right side
11,452,287.61x = 66,637,742,352,563.95 - Step 5: Solve for x
x = 66,637,742,352,563.95/11,452,287.61 - Step 6: Final answer
x = 5,818,727.63
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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.