Finding the Fourth Proportional to 20,494,688.08, 30,747,416.26 and 7,365,431.54
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Solution
The fourth proportional to 20,494,688.08, 30,747,416.26 and 7,365,431.54 is: 11,050,082.28
Step by Step Solution
- Step 1: Write the proportion equation
20,494,688.08 : 30,747,416.26 = 7,365,431.54 : x - Step 2: Convert to fraction form
20,494,688.08/30,747,416.26 = 7,365,431.54/x - Step 3: Cross multiply
20,494,688.08x = 30,747,416.26 × 7,365,431.54 - Step 4: Simplify right side
20,494,688.08x = 226,467,989,553,367.81 - Step 5: Solve for x
x = 226,467,989,553,367.81/20,494,688.08 - Step 6: Final answer
x = 11,050,082.28
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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.