Finding the Fourth Proportional to 11,235,076.45, 15,520,277.87 and 8,940,301.09
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Solution
The fourth proportional to 11,235,076.45, 15,520,277.87 and 8,940,301.09 is: 12,350,245.92
Step by Step Solution
- Step 1: Write the proportion equation
11,235,076.45 : 15,520,277.87 = 8,940,301.09 : x - Step 2: Convert to fraction form
11,235,076.45/15,520,277.87 = 8,940,301.09/x - Step 3: Cross multiply
11,235,076.45x = 15,520,277.87 × 8,940,301.09 - Step 4: Simplify right side
11,235,076.45x = 138,755,957,108,287.81 - Step 5: Solve for x
x = 138,755,957,108,287.81/11,235,076.45 - Step 6: Final answer
x = 12,350,245.92
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1.5x scale
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.