Finding the Fourth Proportional to 18,409,761.13, 27,614,627.11 and 4,946,589.13
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Solution
The fourth proportional to 18,409,761.13, 27,614,627.11 and 4,946,589.13 is: 7,419,879.78
Step by Step Solution
- Step 1: Write the proportion equation
18,409,761.13 : 27,614,627.11 = 4,946,589.13 : x - Step 2: Convert to fraction form
18,409,761.13/27,614,627.11 = 4,946,589.13/x - Step 3: Cross multiply
18,409,761.13x = 27,614,627.11 × 4,946,589.13 - Step 4: Simplify right side
18,409,761.13x = 136,598,214,291,329.31 - Step 5: Solve for x
x = 136,598,214,291,329.31/18,409,761.13 - Step 6: Final answer
x = 7,419,879.78
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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.