Finding the Fourth Proportional to 14,987,145.87, 20,682,762.08 and 9,184,806.45
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Solution
The fourth proportional to 14,987,145.87, 20,682,762.08 and 9,184,806.45 is: 12,675,339.80
Step by Step Solution
- Step 1: Write the proportion equation
14,987,145.87 : 20,682,762.08 = 9,184,806.45 : x - Step 2: Convert to fraction form
14,987,145.87/20,682,762.08 = 9,184,806.45/x - Step 3: Cross multiply
14,987,145.87x = 20,682,762.08 × 9,184,806.45 - Step 4: Simplify right side
14,987,145.87x = 189,967,166,510,275.38 - Step 5: Solve for x
x = 189,967,166,510,275.38/14,987,145.87 - Step 6: Final answer
x = 12,675,339.80
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1.5x scale
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.