Finding the Fourth Proportional to 29,964,370.79, 41,339,399.13 and 18,199,201.23
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Solution
The fourth proportional to 29,964,370.79, 41,339,399.13 and 18,199,201.23 is: 25,107,954.00
Step by Step Solution
- Step 1: Write the proportion equation
29,964,370.79 : 41,339,399.13 = 18,199,201.23 : x - Step 2: Convert to fraction form
29,964,370.79/41,339,399.13 = 18,199,201.23/x - Step 3: Cross multiply
29,964,370.79x = 41,339,399.13 × 18,199,201.23 - Step 4: Simplify right side
29,964,370.79x = 752,344,043,494,157 - Step 5: Solve for x
x = 752,344,043,494,157/29,964,370.79 - Step 6: Final answer
x = 25,107,954.00
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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.