Finding the Fourth Proportional to 16,128,658.80, 24,192,988.20 and 11,089,810.80
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Solution
The fourth proportional to 16,128,658.80, 24,192,988.20 and 11,089,810.80 is: 16,634,716.20
Step by Step Solution
- Step 1: Write the proportion equation
16,128,658.80 : 24,192,988.20 = 11,089,810.80 : x - Step 2: Convert to fraction form
16,128,658.80/24,192,988.20 = 11,089,810.80/x - Step 3: Cross multiply
16,128,658.80x = 24,192,988.20 × 11,089,810.80 - Step 4: Simplify right side
16,128,658.80x = 268,295,661,824,632.56 - Step 5: Solve for x
x = 268,295,661,824,632.56/16,128,658.80 - Step 6: Final answer
x = 16,634,716.20
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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.