Finding the Fourth Proportional to 17,822,160.20, 26,738,997.60 and 8,243,821.88
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Solution
The fourth proportional to 17,822,160.20, 26,738,997.60 and 8,243,821.88 is: 12,368,395.92
Step by Step Solution
- Step 1: Write the proportion equation
17,822,160.20 : 26,738,997.60 = 8,243,821.88 : x - Step 2: Convert to fraction form
17,822,160.20/26,738,997.60 = 8,243,821.88/x - Step 3: Cross multiply
17,822,160.20x = 26,738,997.60 × 8,243,821.88 - Step 4: Simplify right side
17,822,160.20x = 220,431,533,464,147.50 - Step 5: Solve for x
x = 220,431,533,464,147.50/17,822,160.20 - Step 6: Final answer
x = 12,368,395.92
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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.