Finding the Fourth Proportional to 15,512,515.92, 23,269,836.60 and 5,273,208.72
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Solution
The fourth proportional to 15,512,515.92, 23,269,836.60 and 5,273,208.72 is: 7,910,174.33
Step by Step Solution
- Step 1: Write the proportion equation
15,512,515.92 : 23,269,836.60 = 5,273,208.72 : x - Step 2: Convert to fraction form
15,512,515.92/23,269,836.60 = 5,273,208.72/x - Step 3: Cross multiply
15,512,515.92x = 23,269,836.60 × 5,273,208.72 - Step 4: Simplify right side
15,512,515.92x = 122,706,705,272,095.16 - Step 5: Solve for x
x = 122,706,705,272,095.16/15,512,515.92 - Step 6: Final answer
x = 7,910,174.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.