Finding the Fourth Proportional to 8,765,481.24, 13,138,451.82 and 3,645,043.56
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Solution
The fourth proportional to 8,765,481.24, 13,138,451.82 and 3,645,043.56 is: 5,463,502.56
Step by Step Solution
- Step 1: Write the proportion equation
8,765,481.24 : 13,138,451.82 = 3,645,043.56 : x - Step 2: Convert to fraction form
8,765,481.24/13,138,451.82 = 3,645,043.56/x - Step 3: Cross multiply
8,765,481.24x = 13,138,451.82 × 3,645,043.56 - Step 4: Simplify right side
8,765,481.24x = 47,890,229,194,861.28 - Step 5: Solve for x
x = 47,890,229,194,861.28/8,765,481.24 - Step 6: Final answer
x = 5,463,502.56
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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.