Finding the Fourth Proportional to 12,349,074.53, 18,523,343.88 and 4,261,778.17
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Solution
The fourth proportional to 12,349,074.53, 18,523,343.88 and 4,261,778.17 is: 6,392,574.79
Step by Step Solution
- Step 1: Write the proportion equation
12,349,074.53 : 18,523,343.88 = 4,261,778.17 : x - Step 2: Convert to fraction form
12,349,074.53/18,523,343.88 = 4,261,778.17/x - Step 3: Cross multiply
12,349,074.53x = 18,523,343.88 × 4,261,778.17 - Step 4: Simplify right side
12,349,074.53x = 78,942,382,536,878.75 - Step 5: Solve for x
x = 78,942,382,536,878.75/12,349,074.53 - Step 6: Final answer
x = 6,392,574.79
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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.