Finding the Fourth Proportional to 49,379,223.24, 74,079,235.41 and 18,673,122.85
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Solution
The fourth proportional to 49,379,223.24, 74,079,235.41 and 18,673,122.85 is: 28,013,617.32
Step by Step Solution
- Step 1: Write the proportion equation
49,379,223.24 : 74,079,235.41 = 18,673,122.85 : x - Step 2: Convert to fraction form
49,379,223.24/74,079,235.41 = 18,673,122.85/x - Step 3: Cross multiply
49,379,223.24x = 74,079,235.41 × 18,673,122.85 - Step 4: Simplify right side
49,379,223.24x = 1,383,290,663,451,102.75 - Step 5: Solve for x
x = 1,383,290,663,451,102.75/49,379,223.24 - Step 6: Final answer
x = 28,013,617.32
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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.