Finding the Fourth Proportional to 18,987,202.91, 26,202,338.26 and 10,285,373.52
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Solution
The fourth proportional to 18,987,202.91, 26,202,338.26 and 10,285,373.52 is: 14,193,814.50
Step by Step Solution
- Step 1: Write the proportion equation
18,987,202.91 : 26,202,338.26 = 10,285,373.52 : x - Step 2: Convert to fraction form
18,987,202.91/26,202,338.26 = 10,285,373.52/x - Step 3: Cross multiply
18,987,202.91x = 26,202,338.26 × 10,285,373.52 - Step 4: Simplify right side
18,987,202.91x = 269,500,836,075,773.44 - Step 5: Solve for x
x = 269,500,836,075,773.44/18,987,202.91 - Step 6: Final answer
x = 14,193,814.50
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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.