Finding the Fourth Proportional to 13,084,804.80, 18,056,730.74 and 8,192,723.94
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Solution
The fourth proportional to 13,084,804.80, 18,056,730.74 and 8,192,723.94 is: 11,305,771.27
Step by Step Solution
- Step 1: Write the proportion equation
13,084,804.80 : 18,056,730.74 = 8,192,723.94 : x - Step 2: Convert to fraction form
13,084,804.80/18,056,730.74 = 8,192,723.94/x - Step 3: Cross multiply
13,084,804.80x = 18,056,730.74 × 8,192,723.94 - Step 4: Simplify right side
13,084,804.80x = 147,933,810,170,768.31 - Step 5: Solve for x
x = 147,933,810,170,768.31/13,084,804.80 - Step 6: Final answer
x = 11,305,771.27
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.