Finding the Fourth Proportional to 33,691,135.52, 46,493,767.09 and 18,221,220.16
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Solution
The fourth proportional to 33,691,135.52, 46,493,767.09 and 18,221,220.16 is: 25,145,283.86
Step by Step Solution
- Step 1: Write the proportion equation
33,691,135.52 : 46,493,767.09 = 18,221,220.16 : x - Step 2: Convert to fraction form
33,691,135.52/46,493,767.09 = 18,221,220.16/x - Step 3: Cross multiply
33,691,135.52x = 46,493,767.09 × 18,221,220.16 - Step 4: Simplify right side
33,691,135.52x = 847,173,166,052,865 - Step 5: Solve for x
x = 847,173,166,052,865/33,691,135.52 - Step 6: Final answer
x = 25,145,283.86
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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.