Finding the Fourth Proportional to 39,135,793.39, 58,683,574.24 and 20,701,651.72
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Solution
The fourth proportional to 39,135,793.39, 58,683,574.24 and 20,701,651.72 is: 31,041,836.91
Step by Step Solution
- Step 1: Write the proportion equation
39,135,793.39 : 58,683,574.24 = 20,701,651.72 : x - Step 2: Convert to fraction form
39,135,793.39/58,683,574.24 = 20,701,651.72/x - Step 3: Cross multiply
39,135,793.39x = 58,683,574.24 × 20,701,651.72 - Step 4: Simplify right side
39,135,793.39x = 1,214,846,915,601,243.75 - Step 5: Solve for x
x = 1,214,846,915,601,243.75/39,135,793.39 - Step 6: Final answer
x = 31,041,836.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.