Finding the Fourth Proportional to 39,949,773.79, 55,115,000.92 and 23,201,662.18
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Solution
The fourth proportional to 39,949,773.79, 55,115,000.92 and 23,201,662.18 is: 32,009,183.31
Step by Step Solution
- Step 1: Write the proportion equation
39,949,773.79 : 55,115,000.92 = 23,201,662.18 : x - Step 2: Convert to fraction form
39,949,773.79/55,115,000.92 = 23,201,662.18/x - Step 3: Cross multiply
39,949,773.79x = 55,115,000.92 × 23,201,662.18 - Step 4: Simplify right side
39,949,773.79x = 1,278,759,632,287,443.75 - Step 5: Solve for x
x = 1,278,759,632,287,443.75/39,949,773.79 - Step 6: Final answer
x = 32,009,183.31
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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.