Finding the Fourth Proportional to 21,420,288.14, 32,131,554.26 and 16,310,732.00
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Solution
The fourth proportional to 21,420,288.14, 32,131,554.26 and 16,310,732.00 is: 24,466,952.39
Step by Step Solution
- Step 1: Write the proportion equation
21,420,288.14 : 32,131,554.26 = 16,310,732.00 : x - Step 2: Convert to fraction form
21,420,288.14/32,131,554.26 = 16,310,732.00/x - Step 3: Cross multiply
21,420,288.14x = 32,131,554.26 × 16,310,732.00 - Step 4: Simplify right side
21,420,288.14x = 524,089,170,036,106.88 - Step 5: Solve for x
x = 524,089,170,036,106.88/21,420,288.14 - Step 6: Final answer
x = 24,466,952.39
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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.