Finding the Fourth Proportional to 18,163,708.20, 27,233,120.70 and 8,583,676.20
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Solution
The fourth proportional to 18,163,708.20, 27,233,120.70 and 8,583,676.20 is: 12,869,634.74
Step by Step Solution
- Step 1: Write the proportion equation
18,163,708.20 : 27,233,120.70 = 8,583,676.20 : x - Step 2: Convert to fraction form
18,163,708.20/27,233,120.70 = 8,583,676.20/x - Step 3: Cross multiply
18,163,708.20x = 27,233,120.70 × 8,583,676.20 - Step 4: Simplify right side
18,163,708.20x = 233,760,290,004,317.31 - Step 5: Solve for x
x = 233,760,290,004,317.31/18,163,708.20 - Step 6: Final answer
x = 12,869,634.74
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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.