Finding the Fourth Proportional to 21,598,370.68, 32,317,947.50 and 12,967,717
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Solution
The fourth proportional to 21,598,370.68, 32,317,947.50 and 12,967,717 is: 19,403,778.34
Step by Step Solution
- Step 1: Write the proportion equation
21,598,370.68 : 32,317,947.50 = 12,967,717 : x - Step 2: Convert to fraction form
21,598,370.68/32,317,947.50 = 12,967,717/x - Step 3: Cross multiply
21,598,370.68x = 32,317,947.50 × 12,967,717 - Step 4: Simplify right side
21,598,370.68x = 419,089,997,200,857.50 - Step 5: Solve for x
x = 419,089,997,200,857.50/21,598,370.68 - Step 6: Final answer
x = 19,403,778.34
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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.