Finding the Fourth Proportional to 11,515,218.26, 17,271,640.58 and 3,838,033.58
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Solution
The fourth proportional to 11,515,218.26, 17,271,640.58 and 3,838,033.58 is: 5,756,654.80
Step by Step Solution
- Step 1: Write the proportion equation
11,515,218.26 : 17,271,640.58 = 3,838,033.58 : x - Step 2: Convert to fraction form
11,515,218.26/17,271,640.58 = 3,838,033.58/x - Step 3: Cross multiply
11,515,218.26x = 17,271,640.58 × 3,838,033.58 - Step 4: Simplify right side
11,515,218.26x = 66,289,136,422,182.30 - Step 5: Solve for x
x = 66,289,136,422,182.30/11,515,218.26 - Step 6: Final answer
x = 5,756,654.80
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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.