Finding the Fourth Proportional to 36,942,855.20, 55,415,233.20 and 17,507,520.80
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Solution
The fourth proportional to 36,942,855.20, 55,415,233.20 and 17,507,520.80 is: 26,261,731.60
Step by Step Solution
- Step 1: Write the proportion equation
36,942,855.20 : 55,415,233.20 = 17,507,520.80 : x - Step 2: Convert to fraction form
36,942,855.20/55,415,233.20 = 17,507,520.80/x - Step 3: Cross multiply
36,942,855.20x = 55,415,233.20 × 17,507,520.80 - Step 4: Simplify right side
36,942,855.20x = 970,183,347,885,850.62 - Step 5: Solve for x
x = 970,183,347,885,850.62/36,942,855.20 - Step 6: Final answer
x = 26,261,731.60
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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.