Finding the Fourth Proportional to 13,352,817.99, 20,026,424.42 and 3,765,954.50
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Solution
The fourth proportional to 13,352,817.99, 20,026,424.42 and 3,765,954.50 is: 5,648,141.33
Step by Step Solution
- Step 1: Write the proportion equation
13,352,817.99 : 20,026,424.42 = 3,765,954.50 : x - Step 2: Convert to fraction form
13,352,817.99/20,026,424.42 = 3,765,954.50/x - Step 3: Cross multiply
13,352,817.99x = 20,026,424.42 × 3,765,954.50 - Step 4: Simplify right side
13,352,817.99x = 75,418,603,163,408.89 - Step 5: Solve for x
x = 75,418,603,163,408.89/13,352,817.99 - Step 6: Final answer
x = 5,648,141.33
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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.