Finding the Fourth Proportional to 13,349,408.50, 20,012,237.34 and 4,827,850.48
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Solution
The fourth proportional to 13,349,408.50, 20,012,237.34 and 4,827,850.48 is: 7,237,480.95
Step by Step Solution
- Step 1: Write the proportion equation
13,349,408.50 : 20,012,237.34 = 4,827,850.48 : x - Step 2: Convert to fraction form
13,349,408.50/20,012,237.34 = 4,827,850.48/x - Step 3: Cross multiply
13,349,408.50x = 20,012,237.34 × 4,827,850.48 - Step 4: Simplify right side
13,349,408.50x = 96,616,089,647,792.94 - Step 5: Solve for x
x = 96,616,089,647,792.94/13,349,408.50 - Step 6: Final answer
x = 7,237,480.95
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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.