Finding the Fourth Proportional to 14,879,190.84, 20,532,149.73 and 8,351,559.15
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Solution
The fourth proportional to 14,879,190.84, 20,532,149.73 and 8,351,559.15 is: 11,524,515.33
Step by Step Solution
- Step 1: Write the proportion equation
14,879,190.84 : 20,532,149.73 = 8,351,559.15 : x - Step 2: Convert to fraction form
14,879,190.84/20,532,149.73 = 8,351,559.15/x - Step 3: Cross multiply
14,879,190.84x = 20,532,149.73 × 8,351,559.15 - Step 4: Simplify right side
14,879,190.84x = 171,475,462,946,751.53 - Step 5: Solve for x
x = 171,475,462,946,751.53/14,879,190.84 - Step 6: Final answer
x = 11,524,515.33
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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.