Finding the Fourth Proportional to 33,763,919.87, 46,576,235.97 and 20,537,142.24
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Solution
The fourth proportional to 33,763,919.87, 46,576,235.97 and 20,537,142.24 is: 28,330,323.81
Step by Step Solution
- Step 1: Write the proportion equation
33,763,919.87 : 46,576,235.97 = 20,537,142.24 : x - Step 2: Convert to fraction form
33,763,919.87/46,576,235.97 = 20,537,142.24/x - Step 3: Cross multiply
33,763,919.87x = 46,576,235.97 × 20,537,142.24 - Step 4: Simplify right side
33,763,919.87x = 956,542,783,119,694.25 - Step 5: Solve for x
x = 956,542,783,119,694.25/33,763,919.87 - Step 6: Final answer
x = 28,330,323.81
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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.