Finding the Fourth Proportional to 20,277,517.99, 30,365,831.26 and 14,183,716.54
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Solution
The fourth proportional to 20,277,517.99, 30,365,831.26 and 14,183,716.54 is: 21,240,289.04
Step by Step Solution
- Step 1: Write the proportion equation
20,277,517.99 : 30,365,831.26 = 14,183,716.54 : x - Step 2: Convert to fraction form
20,277,517.99/30,365,831.26 = 14,183,716.54/x - Step 3: Cross multiply
20,277,517.99x = 30,365,831.26 × 14,183,716.54 - Step 4: Simplify right side
20,277,517.99x = 430,700,343,093,311.06 - Step 5: Solve for x
x = 430,700,343,093,311.06/20,277,517.99 - Step 6: Final answer
x = 21,240,289.04
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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.