Finding the Fourth Proportional to 17,782,723.68, 24,540,183.66 and 9,633,961.68
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Solution
The fourth proportional to 17,782,723.68, 24,540,183.66 and 9,633,961.68 is: 13,294,880.65
Step by Step Solution
- Step 1: Write the proportion equation
17,782,723.68 : 24,540,183.66 = 9,633,961.68 : x - Step 2: Convert to fraction form
17,782,723.68/24,540,183.66 = 9,633,961.68/x - Step 3: Cross multiply
17,782,723.68x = 24,540,183.66 × 9,633,961.68 - Step 4: Simplify right side
17,782,723.68x = 236,419,189,000,602.16 - Step 5: Solve for x
x = 236,419,189,000,602.16/17,782,723.68 - Step 6: Final answer
x = 13,294,880.65
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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.