Finding the Fourth Proportional to 17,622,571.80, 26,439,269.64 and 8,412,297.12
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Solution
The fourth proportional to 17,622,571.80, 26,439,269.64 and 8,412,297.12 is: 12,621,029.12
Step by Step Solution
- Step 1: Write the proportion equation
17,622,571.80 : 26,439,269.64 = 8,412,297.12 : x - Step 2: Convert to fraction form
17,622,571.80/26,439,269.64 = 8,412,297.12/x - Step 3: Cross multiply
17,622,571.80x = 26,439,269.64 × 8,412,297.12 - Step 4: Simplify right side
17,622,571.80x = 222,414,991,847,475.41 - Step 5: Solve for x
x = 222,414,991,847,475.41/17,622,571.80 - Step 6: Final answer
x = 12,621,029.12
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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.