Finding the Fourth Proportional to 24,139,438.44, 33,324,766.74 and 18,620,423.52
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Solution
The fourth proportional to 24,139,438.44, 33,324,766.74 and 18,620,423.52 is: 25,705,704.46
Step by Step Solution
- Step 1: Write the proportion equation
24,139,438.44 : 33,324,766.74 = 18,620,423.52 : x - Step 2: Convert to fraction form
24,139,438.44/33,324,766.74 = 18,620,423.52/x - Step 3: Cross multiply
24,139,438.44x = 33,324,766.74 × 18,620,423.52 - Step 4: Simplify right side
24,139,438.44x = 620,521,270,404,009.62 - Step 5: Solve for x
x = 620,521,270,404,009.62/24,139,438.44 - Step 6: Final answer
x = 25,705,704.46
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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.