Finding the Fourth Proportional to 29,574,351.20, 44,286,877.20 and 19,422,005.60
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Solution
The fourth proportional to 29,574,351.20, 44,286,877.20 and 19,422,005.60 is: 29,083,984.67
Step by Step Solution
- Step 1: Write the proportion equation
29,574,351.20 : 44,286,877.20 = 19,422,005.60 : x - Step 2: Convert to fraction form
29,574,351.20/44,286,877.20 = 19,422,005.60/x - Step 3: Cross multiply
29,574,351.20x = 44,286,877.20 × 19,422,005.60 - Step 4: Simplify right side
29,574,351.20x = 860,139,976,984,912.50 - Step 5: Solve for x
x = 860,139,976,984,912.50/29,574,351.20 - Step 6: Final answer
x = 29,083,984.67
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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.