Finding the Fourth Proportional to 32,138,791.20, 48,208,578.84 and 9,420,147.72
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Solution
The fourth proportional to 32,138,791.20, 48,208,578.84 and 9,420,147.72 is: 14,130,336.49
Step by Step Solution
- Step 1: Write the proportion equation
32,138,791.20 : 48,208,578.84 = 9,420,147.72 : x - Step 2: Convert to fraction form
32,138,791.20/48,208,578.84 = 9,420,147.72/x - Step 3: Cross multiply
32,138,791.20x = 48,208,578.84 × 9,420,147.72 - Step 4: Simplify right side
32,138,791.20x = 454,131,934,044,066.31 - Step 5: Solve for x
x = 454,131,934,044,066.31/32,138,791.20 - Step 6: Final answer
x = 14,130,336.49
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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.