Finding the Fourth Proportional to 20,277,516.99, 30,365,829.76 and 14,183,715.54
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Solution
The fourth proportional to 20,277,516.99, 30,365,829.76 and 14,183,715.54 is: 21,240,287.54
Step by Step Solution
- Step 1: Write the proportion equation
20,277,516.99 : 30,365,829.76 = 14,183,715.54 : x - Step 2: Convert to fraction form
20,277,516.99/30,365,829.76 = 14,183,715.54/x - Step 3: Cross multiply
20,277,516.99x = 30,365,829.76 × 14,183,715.54 - Step 4: Simplify right side
20,277,516.99x = 430,700,291,451,906.44 - Step 5: Solve for x
x = 430,700,291,451,906.44/20,277,516.99 - Step 6: Final answer
x = 21,240,287.54
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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.