Finding the Fourth Proportional to 11,324,281.20, 16,986,421.80 and 3,237,241.20
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Solution
The fourth proportional to 11,324,281.20, 16,986,421.80 and 3,237,241.20 is: 4,855,861.80
Step by Step Solution
- Step 1: Write the proportion equation
11,324,281.20 : 16,986,421.80 = 3,237,241.20 : x - Step 2: Convert to fraction form
11,324,281.20/16,986,421.80 = 3,237,241.20/x - Step 3: Cross multiply
11,324,281.20x = 16,986,421.80 × 3,237,241.20 - Step 4: Simplify right side
11,324,281.20x = 54,989,144,491,538.16 - Step 5: Solve for x
x = 54,989,144,491,538.16/11,324,281.20 - Step 6: Final answer
x = 4,855,861.80
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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.