Finding the Fourth Proportional to 12,600,560.88, 18,900,622.62 and 4,080,912.84
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Solution
The fourth proportional to 12,600,560.88, 18,900,622.62 and 4,080,912.84 is: 6,121,298.43
Step by Step Solution
- Step 1: Write the proportion equation
12,600,560.88 : 18,900,622.62 = 4,080,912.84 : x - Step 2: Convert to fraction form
12,600,560.88/18,900,622.62 = 4,080,912.84/x - Step 3: Cross multiply
12,600,560.88x = 18,900,622.62 × 4,080,912.84 - Step 4: Simplify right side
12,600,560.88x = 77,131,793,533,952.44 - Step 5: Solve for x
x = 77,131,793,533,952.44/12,600,560.88 - Step 6: Final answer
x = 6,121,298.43
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1.5x scale
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.