Finding the Fourth Proportional to 33,780,391.36, 46,615,691.20 and 18,310,143.84
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Solution
The fourth proportional to 33,780,391.36, 46,615,691.20 and 18,310,143.84 is: 25,267,321.56
Step by Step Solution
- Step 1: Write the proportion equation
33,780,391.36 : 46,615,691.20 = 18,310,143.84 : x - Step 2: Convert to fraction form
33,780,391.36/46,615,691.20 = 18,310,143.84/x - Step 3: Cross multiply
33,780,391.36x = 46,615,691.20 × 18,310,143.84 - Step 4: Simplify right side
33,780,391.36x = 853,540,011,073,022.25 - Step 5: Solve for x
x = 853,540,011,073,022.25/33,780,391.36 - Step 6: Final answer
x = 25,267,321.56
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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.