Finding the Fourth Proportional to 44,384,135.20, 66,576,202.80 and 12,471,431.20
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Solution
The fourth proportional to 44,384,135.20, 66,576,202.80 and 12,471,431.20 is: 18,707,146.80
Step by Step Solution
- Step 1: Write the proportion equation
44,384,135.20 : 66,576,202.80 = 12,471,431.20 : x - Step 2: Convert to fraction form
44,384,135.20/66,576,202.80 = 12,471,431.20/x - Step 3: Cross multiply
44,384,135.20x = 66,576,202.80 × 12,471,431.20 - Step 4: Simplify right side
44,384,135.20x = 830,300,532,777,447.25 - Step 5: Solve for x
x = 830,300,532,777,447.25/44,384,135.20 - Step 6: Final answer
x = 18,707,146.80
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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.