Finding the Fourth Proportional to 25,286,739.36, 34,895,786.84 and 13,684,299.92
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Solution
The fourth proportional to 25,286,739.36, 34,895,786.84 and 13,684,299.92 is: 18,884,380.71
Step by Step Solution
- Step 1: Write the proportion equation
25,286,739.36 : 34,895,786.84 = 13,684,299.92 : x - Step 2: Convert to fraction form
25,286,739.36/34,895,786.84 = 13,684,299.92/x - Step 3: Cross multiply
25,286,739.36x = 34,895,786.84 × 13,684,299.92 - Step 4: Simplify right side
25,286,739.36x = 477,524,413,062,949.12 - Step 5: Solve for x
x = 477,524,413,062,949.12/25,286,739.36 - Step 6: Final answer
x = 18,884,380.71
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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.