Finding the Fourth Proportional to 32,642,828.40, 48,964,242.60 and 29,115,634.80
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Solution
The fourth proportional to 32,642,828.40, 48,964,242.60 and 29,115,634.80 is: 43,673,452.20
Step by Step Solution
- Step 1: Write the proportion equation
32,642,828.40 : 48,964,242.60 = 29,115,634.80 : x - Step 2: Convert to fraction form
32,642,828.40/48,964,242.60 = 29,115,634.80/x - Step 3: Cross multiply
32,642,828.40x = 48,964,242.60 × 29,115,634.80 - Step 4: Simplify right side
32,642,828.40x = 1,425,625,005,800,202.50 - Step 5: Solve for x
x = 1,425,625,005,800,202.50/32,642,828.40 - Step 6: Final answer
x = 43,673,452.20
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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.