Finding the Fourth Proportional to 20,960,204.46, 31,440,025.26 and 5,397,946.98
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Solution
The fourth proportional to 20,960,204.46, 31,440,025.26 and 5,397,946.98 is: 8,096,847.99
Step by Step Solution
- Step 1: Write the proportion equation
20,960,204.46 : 31,440,025.26 = 5,397,946.98 : x - Step 2: Convert to fraction form
20,960,204.46/31,440,025.26 = 5,397,946.98/x - Step 3: Cross multiply
20,960,204.46x = 31,440,025.26 × 5,397,946.98 - Step 4: Simplify right side
20,960,204.46x = 169,711,589,403,340.75 - Step 5: Solve for x
x = 169,711,589,403,340.75/20,960,204.46 - Step 6: Final answer
x = 8,096,847.99
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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.