Finding the Fourth Proportional to 32,030,578.31, 48,122,516.18 and 20,538,561.02
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Solution
The fourth proportional to 32,030,578.31, 48,122,516.18 and 20,538,561.02 is: 30,856,990.02
Step by Step Solution
- Step 1: Write the proportion equation
32,030,578.31 : 48,122,516.18 = 20,538,561.02 : x - Step 2: Convert to fraction form
32,030,578.31/48,122,516.18 = 20,538,561.02/x - Step 3: Cross multiply
32,030,578.31x = 48,122,516.18 × 20,538,561.02 - Step 4: Simplify right side
32,030,578.31x = 988,367,235,170,520 - Step 5: Solve for x
x = 988,367,235,170,520/32,030,578.31 - Step 6: Final answer
x = 30,856,990.02
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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.