Finding the Fourth Proportional to 8,322,581.80, 12,484,218.30 and 2,642,645.80
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Solution
The fourth proportional to 8,322,581.80, 12,484,218.30 and 2,642,645.80 is: 3,964,078.44
Step by Step Solution
- Step 1: Write the proportion equation
8,322,581.80 : 12,484,218.30 = 2,642,645.80 : x - Step 2: Convert to fraction form
8,322,581.80/12,484,218.30 = 2,642,645.80/x - Step 3: Cross multiply
8,322,581.80x = 12,484,218.30 × 2,642,645.80 - Step 4: Simplify right side
8,322,581.80x = 32,991,367,056,778.14 - Step 5: Solve for x
x = 32,991,367,056,778.14/8,322,581.80 - Step 6: Final answer
x = 3,964,078.44
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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.