Finding the Fourth Proportional to 11,082,258.22, 15,292,873.77 and 6,187,790.20
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Solution
The fourth proportional to 11,082,258.22, 15,292,873.77 and 6,187,790.20 is: 8,538,791.69
Step by Step Solution
- Step 1: Write the proportion equation
11,082,258.22 : 15,292,873.77 = 6,187,790.20 : x - Step 2: Convert to fraction form
11,082,258.22/15,292,873.77 = 6,187,790.20/x - Step 3: Cross multiply
11,082,258.22x = 15,292,873.77 × 6,187,790.20 - Step 4: Simplify right side
11,082,258.22x = 94,629,094,443,843.05 - Step 5: Solve for x
x = 94,629,094,443,843.05/11,082,258.22 - Step 6: Final answer
x = 8,538,791.69
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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.