Finding the Fourth Proportional to 15,452,936.80, 23,189,902.80 and 8,629,496.80
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Solution
The fourth proportional to 15,452,936.80, 23,189,902.80 and 8,629,496.80 is: 12,950,107.45
Step by Step Solution
- Step 1: Write the proportion equation
15,452,936.80 : 23,189,902.80 = 8,629,496.80 : x - Step 2: Convert to fraction form
15,452,936.80/23,189,902.80 = 8,629,496.80/x - Step 3: Cross multiply
15,452,936.80x = 23,189,902.80 × 8,629,496.80 - Step 4: Simplify right side
15,452,936.80x = 200,117,192,004,911.06 - Step 5: Solve for x
x = 200,117,192,004,911.06/15,452,936.80 - Step 6: Final answer
x = 12,950,107.45
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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.