Finding the Fourth Proportional to 8,161,121.96, 12,242,368.24 and 2,481,395.48
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Solution
The fourth proportional to 8,161,121.96, 12,242,368.24 and 2,481,395.48 is: 3,722,301.59
Step by Step Solution
- Step 1: Write the proportion equation
8,161,121.96 : 12,242,368.24 = 2,481,395.48 : x - Step 2: Convert to fraction form
8,161,121.96/12,242,368.24 = 2,481,395.48/x - Step 3: Cross multiply
8,161,121.96x = 12,242,368.24 × 2,481,395.48 - Step 4: Simplify right side
8,161,121.96x = 30,378,157,215,231.55 - Step 5: Solve for x
x = 30,378,157,215,231.55/8,161,121.96 - Step 6: Final answer
x = 3,722,301.59
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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.