Finding the Fourth Proportional to 41,121,759.09, 61,682,163.09 and 9,997,592.55
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Solution
The fourth proportional to 41,121,759.09, 61,682,163.09 and 9,997,592.55 is: 14,996,273.21
Step by Step Solution
- Step 1: Write the proportion equation
41,121,759.09 : 61,682,163.09 = 9,997,592.55 : x - Step 2: Convert to fraction form
41,121,759.09/61,682,163.09 = 9,997,592.55/x - Step 3: Cross multiply
41,121,759.09x = 61,682,163.09 × 9,997,592.55 - Step 4: Simplify right side
41,121,759.09x = 616,673,134,138,978 - Step 5: Solve for x
x = 616,673,134,138,978/41,121,759.09 - Step 6: Final answer
x = 14,996,273.21
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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.