Finding the Fourth Proportional to 17,866,325.97, 26,787,728.43 and 11,782,507.50
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Solution
The fourth proportional to 17,866,325.97, 26,787,728.43 and 11,782,507.50 is: 17,666,005.40
Step by Step Solution
- Step 1: Write the proportion equation
17,866,325.97 : 26,787,728.43 = 11,782,507.50 : x - Step 2: Convert to fraction form
17,866,325.97/26,787,728.43 = 11,782,507.50/x - Step 3: Cross multiply
17,866,325.97x = 26,787,728.43 × 11,782,507.50 - Step 4: Simplify right side
17,866,325.97x = 315,626,611,134,438.25 - Step 5: Solve for x
x = 315,626,611,134,438.25/17,866,325.97 - Step 6: Final answer
x = 17,666,005.40
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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.