Finding the Fourth Proportional to 18,527,733.58, 27,797,408.46 and 11,149,831.41
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Solution
The fourth proportional to 18,527,733.58, 27,797,408.46 and 11,149,831.41 is: 16,728,242.36
Step by Step Solution
- Step 1: Write the proportion equation
18,527,733.58 : 27,797,408.46 = 11,149,831.41 : x - Step 2: Convert to fraction form
18,527,733.58/27,797,408.46 = 11,149,831.41/x - Step 3: Cross multiply
18,527,733.58x = 27,797,408.46 × 11,149,831.41 - Step 4: Simplify right side
18,527,733.58x = 309,936,417,769,171.50 - Step 5: Solve for x
x = 309,936,417,769,171.50/18,527,733.58 - Step 6: Final answer
x = 16,728,242.36
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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.