Finding the Fourth Proportional to 20,104,529.10, 30,151,811.39 and 5,727,721.44
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Solution
The fourth proportional to 20,104,529.10, 30,151,811.39 and 5,727,721.44 is: 8,590,162.73
Step by Step Solution
- Step 1: Write the proportion equation
20,104,529.10 : 30,151,811.39 = 5,727,721.44 : x - Step 2: Convert to fraction form
20,104,529.10/30,151,811.39 = 5,727,721.44/x - Step 3: Cross multiply
20,104,529.10x = 30,151,811.39 × 5,727,721.44 - Step 4: Simplify right side
20,104,529.10x = 172,701,176,524,700.62 - Step 5: Solve for x
x = 172,701,176,524,700.62/20,104,529.10 - Step 6: Final answer
x = 8,590,162.73
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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.