Finding the Fourth Proportional to 18,527,733.39, 27,797,408.17 and 11,149,831.22
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Solution
The fourth proportional to 18,527,733.39, 27,797,408.17 and 11,149,831.22 is: 16,728,242.09
Step by Step Solution
- Step 1: Write the proportion equation
18,527,733.39 : 27,797,408.17 = 11,149,831.22 : x - Step 2: Convert to fraction form
18,527,733.39/27,797,408.17 = 11,149,831.22/x - Step 3: Cross multiply
18,527,733.39x = 27,797,408.17 × 11,149,831.22 - Step 4: Simplify right side
18,527,733.39x = 309,936,409,448,949.12 - Step 5: Solve for x
x = 309,936,409,448,949.12/18,527,733.39 - Step 6: Final answer
x = 16,728,242.09
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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.