Finding the Fourth Proportional to 23,468,163.43, 32,388,062.60 and 13,156,879.42
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Solution
The fourth proportional to 23,468,163.43, 32,388,062.60 and 13,156,879.42 is: 18,157,613.21
Step by Step Solution
- Step 1: Write the proportion equation
23,468,163.43 : 32,388,062.60 = 13,156,879.42 : x - Step 2: Convert to fraction form
23,468,163.43/32,388,062.60 = 13,156,879.42/x - Step 3: Cross multiply
23,468,163.43x = 32,388,062.60 × 13,156,879.42 - Step 4: Simplify right side
23,468,163.43x = 426,125,834,275,611.69 - Step 5: Solve for x
x = 426,125,834,275,611.69/23,468,163.43 - Step 6: Final answer
x = 18,157,613.21
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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.