Finding the Fourth Proportional to 18,164,585.20, 27,246,221.70 and 7,381,581.70
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Solution
The fourth proportional to 18,164,585.20, 27,246,221.70 and 7,381,581.70 is: 11,072,105.93
Step by Step Solution
- Step 1: Write the proportion equation
18,164,585.20 : 27,246,221.70 = 7,381,581.70 : x - Step 2: Convert to fraction form
18,164,585.20/27,246,221.70 = 7,381,581.70/x - Step 3: Cross multiply
18,164,585.20x = 27,246,221.70 × 7,381,581.70 - Step 4: Simplify right side
18,164,585.20x = 201,120,211,494,862.88 - Step 5: Solve for x
x = 201,120,211,494,862.88/18,164,585.20 - Step 6: Final answer
x = 11,072,105.93
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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.