Finding the Fourth Proportional to 10,722,586.60, 16,082,324.70 and 3,148,762.60
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Solution
The fourth proportional to 10,722,586.60, 16,082,324.70 and 3,148,762.60 is: 4,722,687.20
Step by Step Solution
- Step 1: Write the proportion equation
10,722,586.60 : 16,082,324.70 = 3,148,762.60 : x - Step 2: Convert to fraction form
10,722,586.60/16,082,324.70 = 3,148,762.60/x - Step 3: Cross multiply
10,722,586.60x = 16,082,324.70 × 3,148,762.60 - Step 4: Simplify right side
10,722,586.60x = 50,639,422,536,416.22 - Step 5: Solve for x
x = 50,639,422,536,416.22/10,722,586.60 - Step 6: Final answer
x = 4,722,687.20
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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.