Finding the Fourth Proportional to 35,430,834.12, 53,146,251.92 and 8,504,490.12
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Solution
The fourth proportional to 35,430,834.12, 53,146,251.92 and 8,504,490.12 is: 12,756,735.36
Step by Step Solution
- Step 1: Write the proportion equation
35,430,834.12 : 53,146,251.92 = 8,504,490.12 : x - Step 2: Convert to fraction form
35,430,834.12/53,146,251.92 = 8,504,490.12/x - Step 3: Cross multiply
35,430,834.12x = 53,146,251.92 × 8,504,490.12 - Step 4: Simplify right side
35,430,834.12x = 451,981,774,368,671 - Step 5: Solve for x
x = 451,981,774,368,671/35,430,834.12 - Step 6: Final answer
x = 12,756,735.36
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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.