Finding the Fourth Proportional to 18,164,584.20, 27,246,220.20 and 7,381,580.70
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Solution
The fourth proportional to 18,164,584.20, 27,246,220.20 and 7,381,580.70 is: 11,072,104.43
Step by Step Solution
- Step 1: Write the proportion equation
18,164,584.20 : 27,246,220.20 = 7,381,580.70 : x - Step 2: Convert to fraction form
18,164,584.20/27,246,220.20 = 7,381,580.70/x - Step 3: Cross multiply
18,164,584.20x = 27,246,220.20 × 7,381,580.70 - Step 4: Simplify right side
18,164,584.20x = 201,120,173,176,270.12 - Step 5: Solve for x
x = 201,120,173,176,270.12/18,164,584.20 - Step 6: Final answer
x = 11,072,104.43
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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.