Finding the Fourth Proportional to 12,194,378.64, 18,291,576.15 and 3,097,158.48
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Solution
The fourth proportional to 12,194,378.64, 18,291,576.15 and 3,097,158.48 is: 4,645,739.80
Step by Step Solution
- Step 1: Write the proportion equation
12,194,378.64 : 18,291,576.15 = 3,097,158.48 : x - Step 2: Convert to fraction form
12,194,378.64/18,291,576.15 = 3,097,158.48/x - Step 3: Cross multiply
12,194,378.64x = 18,291,576.15 × 3,097,158.48 - Step 4: Simplify right side
12,194,378.64x = 56,651,910,185,538.25 - Step 5: Solve for x
x = 56,651,910,185,538.25/12,194,378.64 - Step 6: Final answer
x = 4,645,739.80
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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.