Finding the Fourth Proportional to 25,532,025.93, 35,235,183.87 and 14,519,781.09
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Solution
The fourth proportional to 25,532,025.93, 35,235,183.87 and 14,519,781.09 is: 20,037,859.82
Step by Step Solution
- Step 1: Write the proportion equation
25,532,025.93 : 35,235,183.87 = 14,519,781.09 : x - Step 2: Convert to fraction form
25,532,025.93/35,235,183.87 = 14,519,781.09/x - Step 3: Cross multiply
25,532,025.93x = 35,235,183.87 × 14,519,781.09 - Step 4: Simplify right side
25,532,025.93x = 511,607,156,458,299 - Step 5: Solve for x
x = 511,607,156,458,299/25,532,025.93 - Step 6: Final answer
x = 20,037,859.82
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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.