Finding the Fourth Proportional to 12,089,251.96, 18,133,858.50 and 8,291,220.28
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Solution
The fourth proportional to 12,089,251.96, 18,133,858.50 and 8,291,220.28 is: 12,436,817.09
Step by Step Solution
- Step 1: Write the proportion equation
12,089,251.96 : 18,133,858.50 = 8,291,220.28 : x - Step 2: Convert to fraction form
12,089,251.96/18,133,858.50 = 8,291,220.28/x - Step 3: Cross multiply
12,089,251.96x = 18,133,858.50 × 8,291,220.28 - Step 4: Simplify right side
12,089,251.96x = 150,351,815,349,850.38 - Step 5: Solve for x
x = 150,351,815,349,850.38/12,089,251.96 - Step 6: Final answer
x = 12,436,817.09
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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.