Finding the Fourth Proportional to 13,863,919.44, 20,787,874.56 and 4,276,723.80
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Solution
The fourth proportional to 13,863,919.44, 20,787,874.56 and 4,276,723.80 is: 6,412,616.45
Step by Step Solution
- Step 1: Write the proportion equation
13,863,919.44 : 20,787,874.56 = 4,276,723.80 : x - Step 2: Convert to fraction form
13,863,919.44/20,787,874.56 = 4,276,723.80/x - Step 3: Cross multiply
13,863,919.44x = 20,787,874.56 × 4,276,723.80 - Step 4: Simplify right side
13,863,919.44x = 88,903,997,882,166.52 - Step 5: Solve for x
x = 88,903,997,882,166.52/13,863,919.44 - Step 6: Final answer
x = 6,412,616.45
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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.