Finding the Fourth Proportional to 16,515,912.40, 24,762,058.80 and 7,410,556.60
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Solution
The fourth proportional to 16,515,912.40, 24,762,058.80 and 7,410,556.60 is: 11,110,535.94
Step by Step Solution
- Step 1: Write the proportion equation
16,515,912.40 : 24,762,058.80 = 7,410,556.60 : x - Step 2: Convert to fraction form
16,515,912.40/24,762,058.80 = 7,410,556.60/x - Step 3: Cross multiply
16,515,912.40x = 24,762,058.80 × 7,410,556.60 - Step 4: Simplify right side
16,515,912.40x = 183,500,638,269,928.06 - Step 5: Solve for x
x = 183,500,638,269,928.06/16,515,912.40 - Step 6: Final answer
x = 11,110,535.94
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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.