Finding the Fourth Proportional to 35,882,021.40, 53,830,905.30 and 11,622,067.80
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Solution
The fourth proportional to 35,882,021.40, 53,830,905.30 and 11,622,067.80 is: 17,435,651.80
Step by Step Solution
- Step 1: Write the proportion equation
35,882,021.40 : 53,830,905.30 = 11,622,067.80 : x - Step 2: Convert to fraction form
35,882,021.40/53,830,905.30 = 11,622,067.80/x - Step 3: Cross multiply
35,882,021.40x = 53,830,905.30 × 11,622,067.80 - Step 4: Simplify right side
35,882,021.40x = 625,626,431,131,979.38 - Step 5: Solve for x
x = 625,626,431,131,979.38/35,882,021.40 - Step 6: Final answer
x = 17,435,651.80
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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.