Finding the Fourth Proportional to 7,286,125.20, 10,929,187.80 and 3,498,694.80
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Solution
The fourth proportional to 7,286,125.20, 10,929,187.80 and 3,498,694.80 is: 5,248,042.20
Step by Step Solution
- Step 1: Write the proportion equation
7,286,125.20 : 10,929,187.80 = 3,498,694.80 : x - Step 2: Convert to fraction form
7,286,125.20/10,929,187.80 = 3,498,694.80/x - Step 3: Cross multiply
7,286,125.20x = 10,929,187.80 × 3,498,694.80 - Step 4: Simplify right side
7,286,125.20x = 38,237,892,524,083.44 - Step 5: Solve for x
x = 38,237,892,524,083.44/7,286,125.20 - Step 6: Final answer
x = 5,248,042.20
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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.