Finding the Fourth Proportional to 8,674,350.12, 11,970,911.97 and 5,235,919.56
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Solution
The fourth proportional to 8,674,350.12, 11,970,911.97 and 5,235,919.56 is: 7,225,755.39
Step by Step Solution
- Step 1: Write the proportion equation
8,674,350.12 : 11,970,911.97 = 5,235,919.56 : x - Step 2: Convert to fraction form
8,674,350.12/11,970,911.97 = 5,235,919.56/x - Step 3: Cross multiply
8,674,350.12x = 11,970,911.97 × 5,235,919.56 - Step 4: Simplify right side
8,674,350.12x = 62,678,732,134,761.13 - Step 5: Solve for x
x = 62,678,732,134,761.13/8,674,350.12 - Step 6: Final answer
x = 7,225,755.39
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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.