Finding the Fourth Proportional to 32,328,193.20, 48,527,719.20 and 20,211,338.40
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Solution
The fourth proportional to 32,328,193.20, 48,527,719.20 and 20,211,338.40 is: 30,339,157.79
Step by Step Solution
- Step 1: Write the proportion equation
32,328,193.20 : 48,527,719.20 = 20,211,338.40 : x - Step 2: Convert to fraction form
32,328,193.20/48,527,719.20 = 20,211,338.40/x - Step 3: Cross multiply
32,328,193.20x = 48,527,719.20 × 20,211,338.40 - Step 4: Simplify right side
32,328,193.20x = 980,810,154,531,377.25 - Step 5: Solve for x
x = 980,810,154,531,377.25/32,328,193.20 - Step 6: Final answer
x = 30,339,157.79
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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.