Finding the Fourth Proportional to 14,987,119.91, 20,682,729.14 and 9,184,782.92
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Solution
The fourth proportional to 14,987,119.91, 20,682,729.14 and 9,184,782.92 is: 12,675,309.09
Step by Step Solution
- Step 1: Write the proportion equation
14,987,119.91 : 20,682,729.14 = 9,184,782.92 : x - Step 2: Convert to fraction form
14,987,119.91/20,682,729.14 = 9,184,782.92/x - Step 3: Cross multiply
14,987,119.91x = 20,682,729.14 × 9,184,782.92 - Step 4: Simplify right side
14,987,119.91x = 189,966,377,194,720.72 - Step 5: Solve for x
x = 189,966,377,194,720.72/14,987,119.91 - Step 6: Final answer
x = 12,675,309.09
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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.