Finding the Fourth Proportional to 13,082,811.99, 19,622,672.49 and 3,498,933.30
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Solution
The fourth proportional to 13,082,811.99, 19,622,672.49 and 3,498,933.30 is: 5,247,986.62
Step by Step Solution
- Step 1: Write the proportion equation
13,082,811.99 : 19,622,672.49 = 3,498,933.30 : x - Step 2: Convert to fraction form
13,082,811.99/19,622,672.49 = 3,498,933.30/x - Step 3: Cross multiply
13,082,811.99x = 19,622,672.49 × 3,498,933.30 - Step 4: Simplify right side
13,082,811.99x = 68,658,422,210,254.91 - Step 5: Solve for x
x = 68,658,422,210,254.91/13,082,811.99 - Step 6: Final answer
x = 5,247,986.62
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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.