Finding the Fourth Proportional to 12,533,949.39, 18,800,924.28 and 8,273,121.09
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Solution
The fourth proportional to 12,533,949.39, 18,800,924.28 and 8,273,121.09 is: 12,409,681.76
Step by Step Solution
- Step 1: Write the proportion equation
12,533,949.39 : 18,800,924.28 = 8,273,121.09 : x - Step 2: Convert to fraction form
12,533,949.39/18,800,924.28 = 8,273,121.09/x - Step 3: Cross multiply
12,533,949.39x = 18,800,924.28 × 8,273,121.09 - Step 4: Simplify right side
12,533,949.39x = 155,542,323,172,361.06 - Step 5: Solve for x
x = 155,542,323,172,361.06/12,533,949.39 - Step 6: Final answer
x = 12,409,681.76
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1.5x scale
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.