Finding the Fourth Proportional to 8,161,116.96, 12,242,360.74 and 2,481,390.48
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Solution
The fourth proportional to 8,161,116.96, 12,242,360.74 and 2,481,390.48 is: 3,722,294.09
Step by Step Solution
- Step 1: Write the proportion equation
8,161,116.96 : 12,242,360.74 = 2,481,390.48 : x - Step 2: Convert to fraction form
8,161,116.96/12,242,360.74 = 2,481,390.48/x - Step 3: Cross multiply
8,161,116.96x = 12,242,360.74 × 2,481,390.48 - Step 4: Simplify right side
8,161,116.96x = 30,378,077,392,961.75 - Step 5: Solve for x
x = 30,378,077,392,961.75/8,161,116.96 - Step 6: Final answer
x = 3,722,294.09
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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.