Finding the Fourth Proportional to 12,236,466.24, 18,338,165.13 and 4,659,298.56
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Solution
The fourth proportional to 12,236,466.24, 18,338,165.13 and 4,659,298.56 is: 6,982,652.08
Step by Step Solution
- Step 1: Write the proportion equation
12,236,466.24 : 18,338,165.13 = 4,659,298.56 : x - Step 2: Convert to fraction form
12,236,466.24/18,338,165.13 = 4,659,298.56/x - Step 3: Cross multiply
12,236,466.24x = 18,338,165.13 × 4,659,298.56 - Step 4: Simplify right side
12,236,466.24x = 85,442,986,383,251.20 - Step 5: Solve for x
x = 85,442,986,383,251.20/12,236,466.24 - Step 6: Final answer
x = 6,982,652.08
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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.