Finding the Fourth Proportional to 11,235,049.26, 15,520,240.35 and 8,940,273.90
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Solution
The fourth proportional to 11,235,049.26, 15,520,240.35 and 8,940,273.90 is: 12,350,208.40
Step by Step Solution
- Step 1: Write the proportion equation
11,235,049.26 : 15,520,240.35 = 8,940,273.90 : x - Step 2: Convert to fraction form
11,235,049.26/15,520,240.35 = 8,940,273.90/x - Step 3: Cross multiply
11,235,049.26x = 15,520,240.35 × 8,940,273.90 - Step 4: Simplify right side
11,235,049.26x = 138,755,199,722,831.88 - Step 5: Solve for x
x = 138,755,199,722,831.88/11,235,049.26 - Step 6: Final answer
x = 12,350,208.40
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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.