Finding the Fourth Proportional to 10,089,152.70, 15,133,729.05 and 8,317,682.70
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Solution
The fourth proportional to 10,089,152.70, 15,133,729.05 and 8,317,682.70 is: 12,476,524.05
Step by Step Solution
- Step 1: Write the proportion equation
10,089,152.70 : 15,133,729.05 = 8,317,682.70 : x - Step 2: Convert to fraction form
10,089,152.70/15,133,729.05 = 8,317,682.70/x - Step 3: Cross multiply
10,089,152.70x = 15,133,729.05 × 8,317,682.70 - Step 4: Simplify right side
10,089,152.70x = 125,877,556,305,672.44 - Step 5: Solve for x
x = 125,877,556,305,672.44/10,089,152.70 - Step 6: Final answer
x = 12,476,524.05
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Double scale
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Similar ratio
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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.