Finding the Fourth Proportional to 20,044,658.93, 27,661,629.35 and 10,877,301.68
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Solution
The fourth proportional to 20,044,658.93, 27,661,629.35 and 10,877,301.68 is: 15,010,676.33
Step by Step Solution
- Step 1: Write the proportion equation
20,044,658.93 : 27,661,629.35 = 10,877,301.68 : x - Step 2: Convert to fraction form
20,044,658.93/27,661,629.35 = 10,877,301.68/x - Step 3: Cross multiply
20,044,658.93x = 27,661,629.35 × 10,877,301.68 - Step 4: Simplify right side
20,044,658.93x = 300,883,887,400,292.31 - Step 5: Solve for x
x = 300,883,887,400,292.31/20,044,658.93 - Step 6: Final answer
x = 15,010,676.33
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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.