Finding the Fourth Proportional to 11,090,858.40, 16,603,628.40 and 8,263,504.80
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Solution
The fourth proportional to 11,090,858.40, 16,603,628.40 and 8,263,504.80 is: 12,370,923.70
Step by Step Solution
- Step 1: Write the proportion equation
11,090,858.40 : 16,603,628.40 = 8,263,504.80 : x - Step 2: Convert to fraction form
11,090,858.40/16,603,628.40 = 8,263,504.80/x - Step 3: Cross multiply
11,090,858.40x = 16,603,628.40 × 8,263,504.80 - Step 4: Simplify right side
11,090,858.40x = 137,204,162,980,816.31 - Step 5: Solve for x
x = 137,204,162,980,816.31/11,090,858.40 - Step 6: Final answer
x = 12,370,923.70
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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.