Finding the Fourth Proportional to 32,287,708.06, 44,545,859.12 and 20,691,665.44
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Solution
The fourth proportional to 32,287,708.06, 44,545,859.12 and 20,691,665.44 is: 28,547,334.85
Step by Step Solution
- Step 1: Write the proportion equation
32,287,708.06 : 44,545,859.12 = 20,691,665.44 : x - Step 2: Convert to fraction form
32,287,708.06/44,545,859.12 = 20,691,665.44/x - Step 3: Cross multiply
32,287,708.06x = 44,545,859.12 × 20,691,665.44 - Step 4: Simplify right side
32,287,708.06x = 921,728,013,588,777.38 - Step 5: Solve for x
x = 921,728,013,588,777.38/32,287,708.06 - Step 6: Final answer
x = 28,547,334.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.