Finding the Fourth Proportional to 20,713,467.63, 31,069,074.24 and 6,336,535.44
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Solution
The fourth proportional to 20,713,467.63, 31,069,074.24 and 6,336,535.44 is: 9,504,458.33
Step by Step Solution
- Step 1: Write the proportion equation
20,713,467.63 : 31,069,074.24 = 6,336,535.44 : x - Step 2: Convert to fraction form
20,713,467.63/31,069,074.24 = 6,336,535.44/x - Step 3: Cross multiply
20,713,467.63x = 31,069,074.24 × 6,336,535.44 - Step 4: Simplify right side
20,713,467.63x = 196,870,290,009,751.06 - Step 5: Solve for x
x = 196,870,290,009,751.06/20,713,467.63 - Step 6: Final answer
x = 9,504,458.33
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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.