Finding the Fourth Proportional to 18,294,534.54, 25,252,110.87 and 11,768,163.99
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Solution
The fourth proportional to 18,294,534.54, 25,252,110.87 and 11,768,163.99 is: 16,243,702.79
Step by Step Solution
- Step 1: Write the proportion equation
18,294,534.54 : 25,252,110.87 = 11,768,163.99 : x - Step 2: Convert to fraction form
18,294,534.54/25,252,110.87 = 11,768,163.99/x - Step 3: Cross multiply
18,294,534.54x = 25,252,110.87 × 11,768,163.99 - Step 4: Simplify right side
18,294,534.54x = 297,170,981,811,821.56 - Step 5: Solve for x
x = 297,170,981,811,821.56/18,294,534.54 - Step 6: Final answer
x = 16,243,702.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.