Finding the Fourth Proportional to 17,632,140.70, 26,448,211.05 and 12,481,318.30
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Solution
The fourth proportional to 17,632,140.70, 26,448,211.05 and 12,481,318.30 is: 18,721,977.45
Step by Step Solution
- Step 1: Write the proportion equation
17,632,140.70 : 26,448,211.05 = 12,481,318.30 : x - Step 2: Convert to fraction form
17,632,140.70/26,448,211.05 = 12,481,318.30/x - Step 3: Cross multiply
17,632,140.70x = 26,448,211.05 × 12,481,318.30 - Step 4: Simplify right side
17,632,140.70x = 330,108,540,580,627.25 - Step 5: Solve for x
x = 330,108,540,580,627.25/17,632,140.70 - Step 6: Final answer
x = 18,721,977.45
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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.