Finding the Fourth Proportional to 20,378,730.65, 30,568,090.49 and 13,969,552.19
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Solution
The fourth proportional to 20,378,730.65, 30,568,090.49 and 13,969,552.19 is: 20,954,324.53
Step by Step Solution
- Step 1: Write the proportion equation
20,378,730.65 : 30,568,090.49 = 13,969,552.19 : x - Step 2: Convert to fraction form
20,378,730.65/30,568,090.49 = 13,969,552.19/x - Step 3: Cross multiply
20,378,730.65x = 30,568,090.49 × 13,969,552.19 - Step 4: Simplify right side
20,378,730.65x = 427,022,535,448,697.62 - Step 5: Solve for x
x = 427,022,535,448,697.62/20,378,730.65 - Step 6: Final answer
x = 20,954,324.53
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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.