Finding the Fourth Proportional to 16,762,237.21, 23,131,765.99 and 9,419,912.22
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Solution
The fourth proportional to 16,762,237.21, 23,131,765.99 and 9,419,912.22 is: 12,999,410.66
Step by Step Solution
- Step 1: Write the proportion equation
16,762,237.21 : 23,131,765.99 = 9,419,912.22 : x - Step 2: Convert to fraction form
16,762,237.21/23,131,765.99 = 9,419,912.22/x - Step 3: Cross multiply
16,762,237.21x = 23,131,765.99 × 9,419,912.22 - Step 4: Simplify right side
16,762,237.21x = 217,899,205,119,381.41 - Step 5: Solve for x
x = 217,899,205,119,381.41/16,762,237.21 - Step 6: Final answer
x = 12,999,410.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.