Finding the Fourth Proportional to 12,659,107.68, 18,957,168.72 and 8,854,777.44
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Solution
The fourth proportional to 12,659,107.68, 18,957,168.72 and 8,854,777.44 is: 13,260,137.61
Step by Step Solution
- Step 1: Write the proportion equation
12,659,107.68 : 18,957,168.72 = 8,854,777.44 : x - Step 2: Convert to fraction form
12,659,107.68/18,957,168.72 = 8,854,777.44/x - Step 3: Cross multiply
12,659,107.68x = 18,957,168.72 × 8,854,777.44 - Step 4: Simplify right side
12,659,107.68x = 167,861,509,908,129.66 - Step 5: Solve for x
x = 167,861,509,908,129.66/12,659,107.68 - Step 6: Final answer
x = 13,260,137.61
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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.