Finding the Fourth Proportional to 18,284,778.61, 25,232,028.93 and 10,442,739.31
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Solution
The fourth proportional to 18,284,778.61, 25,232,028.93 and 10,442,739.31 is: 14,410,428.80
Step by Step Solution
- Step 1: Write the proportion equation
18,284,778.61 : 25,232,028.93 = 10,442,739.31 : x - Step 2: Convert to fraction form
18,284,778.61/25,232,028.93 = 10,442,739.31/x - Step 3: Cross multiply
18,284,778.61x = 25,232,028.93 × 10,442,739.31 - Step 4: Simplify right side
18,284,778.61x = 263,491,500,315,288.16 - Step 5: Solve for x
x = 263,491,500,315,288.16/18,284,778.61 - Step 6: Final answer
x = 14,410,428.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.