Finding the Fourth Proportional to 8,810,361.45, 13,220,358.98 and 3,419,226.09
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Solution
The fourth proportional to 8,810,361.45, 13,220,358.98 and 3,419,226.09 is: 5,130,708.49
Step by Step Solution
- Step 1: Write the proportion equation
8,810,361.45 : 13,220,358.98 = 3,419,226.09 : x - Step 2: Convert to fraction form
8,810,361.45/13,220,358.98 = 3,419,226.09/x - Step 3: Cross multiply
8,810,361.45x = 13,220,358.98 × 3,419,226.09 - Step 4: Simplify right side
8,810,361.45x = 45,203,396,326,485.66 - Step 5: Solve for x
x = 45,203,396,326,485.66/8,810,361.45 - Step 6: Final answer
x = 5,130,708.49
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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.