Finding the Fourth Proportional to 33,203,850.78, 49,703,624.07 and 21,664,470.99
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Solution
The fourth proportional to 33,203,850.78, 49,703,624.07 and 21,664,470.99 is: 32,430,055.44
Step by Step Solution
- Step 1: Write the proportion equation
33,203,850.78 : 49,703,624.07 = 21,664,470.99 : x - Step 2: Convert to fraction form
33,203,850.78/49,703,624.07 = 21,664,470.99/x - Step 3: Cross multiply
33,203,850.78x = 49,703,624.07 × 21,664,470.99 - Step 4: Simplify right side
33,203,850.78x = 1,076,802,721,762,380.62 - Step 5: Solve for x
x = 1,076,802,721,762,380.62/33,203,850.78 - Step 6: Final answer
x = 32,430,055.44
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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.