Finding the Fourth Proportional to 35,085,107.50, 48,414,990.42 and 20,399,731.92
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Solution
The fourth proportional to 35,085,107.50, 48,414,990.42 and 20,399,731.92 is: 28,150,200.92
Step by Step Solution
- Step 1: Write the proportion equation
35,085,107.50 : 48,414,990.42 = 20,399,731.92 : x - Step 2: Convert to fraction form
35,085,107.50/48,414,990.42 = 20,399,731.92/x - Step 3: Cross multiply
35,085,107.50x = 48,414,990.42 × 20,399,731.92 - Step 4: Simplify right side
35,085,107.50x = 987,652,825,477,368.38 - Step 5: Solve for x
x = 987,652,825,477,368.38/35,085,107.50 - Step 6: Final answer
x = 28,150,200.92
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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.