Finding the Fourth Proportional to 16,320,676.17, 22,522,718.79 and 9,351,213.92
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Solution
The fourth proportional to 16,320,676.17, 22,522,718.79 and 9,351,213.92 is: 12,904,781.59
Step by Step Solution
- Step 1: Write the proportion equation
16,320,676.17 : 22,522,718.79 = 9,351,213.92 : x - Step 2: Convert to fraction form
16,320,676.17/22,522,718.79 = 9,351,213.92/x - Step 3: Cross multiply
16,320,676.17x = 22,522,718.79 × 9,351,213.92 - Step 4: Simplify right side
16,320,676.17x = 210,614,761,352,679.94 - Step 5: Solve for x
x = 210,614,761,352,679.94/16,320,676.17 - Step 6: Final answer
x = 12,904,781.59
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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.