Finding the Fourth Proportional to 36,674,738.09, 55,013,934.49 and 13,957,396.01
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Solution
The fourth proportional to 36,674,738.09, 55,013,934.49 and 13,957,396.01 is: 20,936,789.45
Step by Step Solution
- Step 1: Write the proportion equation
36,674,738.09 : 55,013,934.49 = 13,957,396.01 : x - Step 2: Convert to fraction form
36,674,738.09/55,013,934.49 = 13,957,396.01/x - Step 3: Cross multiply
36,674,738.09x = 55,013,934.49 × 13,957,396.01 - Step 4: Simplify right side
36,674,738.09x = 767,851,269,435,164.25 - Step 5: Solve for x
x = 767,851,269,435,164.25/36,674,738.09 - Step 6: Final answer
x = 20,936,789.45
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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.