Finding the Fourth Proportional to 10,766,338.75, 14,858,431.19 and 6,121,581.27
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Solution
The fourth proportional to 10,766,338.75, 14,858,431.19 and 6,121,581.27 is: 8,448,284.62
Step by Step Solution
- Step 1: Write the proportion equation
10,766,338.75 : 14,858,431.19 = 6,121,581.27 : x - Step 2: Convert to fraction form
10,766,338.75/14,858,431.19 = 6,121,581.27/x - Step 3: Cross multiply
10,766,338.75x = 14,858,431.19 × 6,121,581.27 - Step 4: Simplify right side
10,766,338.75x = 90,957,094,074,287.80 - Step 5: Solve for x
x = 90,957,094,074,287.80/10,766,338.75 - Step 6: Final answer
x = 8,448,284.62
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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.