Finding the Fourth Proportional to 10,537,234.20, 15,808,107.39 and 3,151,861.80
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Solution
The fourth proportional to 10,537,234.20, 15,808,107.39 and 3,151,861.80 is: 4,728,467.53
Step by Step Solution
- Step 1: Write the proportion equation
10,537,234.20 : 15,808,107.39 = 3,151,861.80 : x - Step 2: Convert to fraction form
10,537,234.20/15,808,107.39 = 3,151,861.80/x - Step 3: Cross multiply
10,537,234.20x = 15,808,107.39 × 3,151,861.80 - Step 4: Simplify right side
10,537,234.20x = 49,824,969,812,838.70 - Step 5: Solve for x
x = 49,824,969,812,838.70/10,537,234.20 - Step 6: Final answer
x = 4,728,467.53
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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.