Finding the Fourth Proportional to 12,279,676.44, 18,415,528.80 and 4,080,116.64
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Solution
The fourth proportional to 12,279,676.44, 18,415,528.80 and 4,080,116.64 is: 6,118,850.59
Step by Step Solution
- Step 1: Write the proportion equation
12,279,676.44 : 18,415,528.80 = 4,080,116.64 : x - Step 2: Convert to fraction form
12,279,676.44/18,415,528.80 = 4,080,116.64/x - Step 3: Cross multiply
12,279,676.44x = 18,415,528.80 × 4,080,116.64 - Step 4: Simplify right side
12,279,676.44x = 75,137,505,491,279.23 - Step 5: Solve for x
x = 75,137,505,491,279.23/12,279,676.44 - Step 6: Final answer
x = 6,118,850.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.