Finding the Fourth Proportional to 18,608,214.27, 27,914,071.64 and 5,477,640.74
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Solution
The fourth proportional to 18,608,214.27, 27,914,071.64 and 5,477,640.74 is: 8,216,976.31
Step by Step Solution
- Step 1: Write the proportion equation
18,608,214.27 : 27,914,071.64 = 5,477,640.74 : x - Step 2: Convert to fraction form
18,608,214.27/27,914,071.64 = 5,477,640.74/x - Step 3: Cross multiply
18,608,214.27x = 27,914,071.64 × 5,477,640.74 - Step 4: Simplify right side
18,608,214.27x = 152,903,255,867,584.06 - Step 5: Solve for x
x = 152,903,255,867,584.06/18,608,214.27 - Step 6: Final answer
x = 8,216,976.31
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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.