Finding the Fourth Proportional to 18,485,253.60, 27,728,512.80 and 6,354,613.41
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Solution
The fourth proportional to 18,485,253.60, 27,728,512.80 and 6,354,613.41 is: 9,532,137.51
Step by Step Solution
- Step 1: Write the proportion equation
18,485,253.60 : 27,728,512.80 = 6,354,613.41 : x - Step 2: Convert to fraction form
18,485,253.60/27,728,512.80 = 6,354,613.41/x - Step 3: Cross multiply
18,485,253.60x = 27,728,512.80 × 6,354,613.41 - Step 4: Simplify right side
18,485,253.60x = 176,203,979,278,236.66 - Step 5: Solve for x
x = 176,203,979,278,236.66/18,485,253.60 - Step 6: Final answer
x = 9,532,137.51
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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.