Finding the Fourth Proportional to 18,255,059.43, 27,378,105.78 and 6,124,251.57
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Solution
The fourth proportional to 18,255,059.43, 27,378,105.78 and 6,124,251.57 is: 9,184,873.26
Step by Step Solution
- Step 1: Write the proportion equation
18,255,059.43 : 27,378,105.78 = 6,124,251.57 : x - Step 2: Convert to fraction form
18,255,059.43/27,378,105.78 = 6,124,251.57/x - Step 3: Cross multiply
18,255,059.43x = 27,378,105.78 × 6,124,251.57 - Step 4: Simplify right side
18,255,059.43x = 167,670,407,306,791.09 - Step 5: Solve for x
x = 167,670,407,306,791.09/18,255,059.43 - Step 6: Final answer
x = 9,184,873.26
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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.