Finding the Fourth Proportional to 29,114,338.08, 40,170,563.52 and 19,190,120.88
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Solution
The fourth proportional to 29,114,338.08, 40,170,563.52 and 19,190,120.88 is: 26,477,605.90
Step by Step Solution
- Step 1: Write the proportion equation
29,114,338.08 : 40,170,563.52 = 19,190,120.88 : x - Step 2: Convert to fraction form
29,114,338.08/40,170,563.52 = 19,190,120.88/x - Step 3: Cross multiply
29,114,338.08x = 40,170,563.52 × 19,190,120.88 - Step 4: Simplify right side
29,114,338.08x = 770,877,969,766,518.38 - Step 5: Solve for x
x = 770,877,969,766,518.38/29,114,338.08 - Step 6: Final answer
x = 26,477,605.90
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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.