Finding the Fourth Proportional to 29,969,780.26, 41,358,427.06 and 16,218,745.60
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Solution
The fourth proportional to 29,969,780.26, 41,358,427.06 and 16,218,745.60 is: 22,381,939.44
Step by Step Solution
- Step 1: Write the proportion equation
29,969,780.26 : 41,358,427.06 = 16,218,745.60 : x - Step 2: Convert to fraction form
29,969,780.26/41,358,427.06 = 16,218,745.60/x - Step 3: Cross multiply
29,969,780.26x = 41,358,427.06 × 16,218,745.60 - Step 4: Simplify right side
29,969,780.26x = 670,781,806,902,296 - Step 5: Solve for x
x = 670,781,806,902,296/29,969,780.26 - Step 6: Final answer
x = 22,381,939.44
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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.