Finding the Fourth Proportional to 17,169,982.90, 25,754,974.35 and 5,201,163.70
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Solution
The fourth proportional to 17,169,982.90, 25,754,974.35 and 5,201,163.70 is: 7,801,745.55
Step by Step Solution
- Step 1: Write the proportion equation
17,169,982.90 : 25,754,974.35 = 5,201,163.70 : x - Step 2: Convert to fraction form
17,169,982.90/25,754,974.35 = 5,201,163.70/x - Step 3: Cross multiply
17,169,982.90x = 25,754,974.35 × 5,201,163.70 - Step 4: Simplify right side
17,169,982.90x = 133,955,837,683,651.11 - Step 5: Solve for x
x = 133,955,837,683,651.11/17,169,982.90 - Step 6: Final answer
x = 7,801,745.55
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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.