Finding the Fourth Proportional to 22,555,676.97, 31,121,497.01 and 12,766,121.44
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Solution
The fourth proportional to 22,555,676.97, 31,121,497.01 and 12,766,121.44 is: 17,614,226.82
Step by Step Solution
- Step 1: Write the proportion equation
22,555,676.97 : 31,121,497.01 = 12,766,121.44 : x - Step 2: Convert to fraction form
22,555,676.97/31,121,497.01 = 12,766,121.44/x - Step 3: Cross multiply
22,555,676.97x = 31,121,497.01 × 12,766,121.44 - Step 4: Simplify right side
22,555,676.97x = 397,300,810,178,368.44 - Step 5: Solve for x
x = 397,300,810,178,368.44/22,555,676.97 - Step 6: Final answer
x = 17,614,226.82
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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.