Finding the Fourth Proportional to 20,727,452.56, 31,082,149.05 and 11,009,938.99
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Solution
The fourth proportional to 20,727,452.56, 31,082,149.05 and 11,009,938.99 is: 16,510,112.07
Step by Step Solution
- Step 1: Write the proportion equation
20,727,452.56 : 31,082,149.05 = 11,009,938.99 : x - Step 2: Convert to fraction form
20,727,452.56/31,082,149.05 = 11,009,938.99/x - Step 3: Cross multiply
20,727,452.56x = 31,082,149.05 × 11,009,938.99 - Step 4: Simplify right side
20,727,452.56x = 342,212,564,718,586.50 - Step 5: Solve for x
x = 342,212,564,718,586.50/20,727,452.56 - Step 6: Final answer
x = 16,510,112.07
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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.