Finding the Fourth Proportional to 8,449,835.19, 12,672,979.27 and 2,383,148.12
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Solution
The fourth proportional to 8,449,835.19, 12,672,979.27 and 2,383,148.12 is: 3,574,221.99
Step by Step Solution
- Step 1: Write the proportion equation
8,449,835.19 : 12,672,979.27 = 2,383,148.12 : x - Step 2: Convert to fraction form
8,449,835.19/12,672,979.27 = 2,383,148.12/x - Step 3: Cross multiply
8,449,835.19x = 12,672,979.27 × 2,383,148.12 - Step 4: Simplify right side
8,449,835.19x = 30,201,586,722,099.47 - Step 5: Solve for x
x = 30,201,586,722,099.47/8,449,835.19 - Step 6: Final answer
x = 3,574,221.99
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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.