Finding the Fourth Proportional to 18,099,831.60, 27,149,747.40 and 16,273,249.20
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Solution
The fourth proportional to 18,099,831.60, 27,149,747.40 and 16,273,249.20 is: 24,409,873.80
Step by Step Solution
- Step 1: Write the proportion equation
18,099,831.60 : 27,149,747.40 = 16,273,249.20 : x - Step 2: Convert to fraction form
18,099,831.60/27,149,747.40 = 16,273,249.20/x - Step 3: Cross multiply
18,099,831.60x = 27,149,747.40 × 16,273,249.20 - Step 4: Simplify right side
18,099,831.60x = 441,814,605,157,252.06 - Step 5: Solve for x
x = 441,814,605,157,252.06/18,099,831.60 - Step 6: Final answer
x = 24,409,873.80
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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.