Finding the Fourth Proportional to 11,465,859.93, 17,198,789.84 and 4,179,866.09
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Solution
The fourth proportional to 11,465,859.93, 17,198,789.84 and 4,179,866.09 is: 6,269,799.11
Step by Step Solution
- Step 1: Write the proportion equation
11,465,859.93 : 17,198,789.84 = 4,179,866.09 : x - Step 2: Convert to fraction form
11,465,859.93/17,198,789.84 = 4,179,866.09/x - Step 3: Cross multiply
11,465,859.93x = 17,198,789.84 × 4,179,866.09 - Step 4: Simplify right side
11,465,859.93x = 71,888,638,350,033.75 - Step 5: Solve for x
x = 71,888,638,350,033.75/11,465,859.93 - Step 6: Final answer
x = 6,269,799.11
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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.