Finding the Fourth Proportional to 13,568,736.62, 20,355,598.12 and 4,471,370.66
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Solution
The fourth proportional to 13,568,736.62, 20,355,598.12 and 4,471,370.66 is: 6,707,877.58
Step by Step Solution
- Step 1: Write the proportion equation
13,568,736.62 : 20,355,598.12 = 4,471,370.66 : x - Step 2: Convert to fraction form
13,568,736.62/20,355,598.12 = 4,471,370.66/x - Step 3: Cross multiply
13,568,736.62x = 20,355,598.12 × 4,471,370.66 - Step 4: Simplify right side
13,568,736.62x = 91,017,424,200,519.17 - Step 5: Solve for x
x = 91,017,424,200,519.17/13,568,736.62 - Step 6: Final answer
x = 6,707,877.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.