Finding the Fourth Proportional to 16,434,591.64, 22,680,217.02 and 8,992,700.44
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Solution
The fourth proportional to 16,434,591.64, 22,680,217.02 and 8,992,700.44 is: 12,410,189.56
Step by Step Solution
- Step 1: Write the proportion equation
16,434,591.64 : 22,680,217.02 = 8,992,700.44 : x - Step 2: Convert to fraction form
16,434,591.64/22,680,217.02 = 8,992,700.44/x - Step 3: Cross multiply
16,434,591.64x = 22,680,217.02 × 8,992,700.44 - Step 4: Simplify right side
16,434,591.64x = 203,956,397,575,049.47 - Step 5: Solve for x
x = 203,956,397,575,049.47/16,434,591.64 - Step 6: Final answer
x = 12,410,189.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.