Finding the Fourth Proportional to 54,355,404.70, 81,533,107.05 and 18,453,612.70
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Solution
The fourth proportional to 54,355,404.70, 81,533,107.05 and 18,453,612.70 is: 27,680,419.05
Step by Step Solution
- Step 1: Write the proportion equation
54,355,404.70 : 81,533,107.05 = 18,453,612.70 : x - Step 2: Convert to fraction form
54,355,404.70/81,533,107.05 = 18,453,612.70/x - Step 3: Cross multiply
54,355,404.70x = 81,533,107.05 × 18,453,612.70 - Step 4: Simplify right side
54,355,404.70x = 1,504,580,379,728,339.50 - Step 5: Solve for x
x = 1,504,580,379,728,339.50/54,355,404.70 - Step 6: Final answer
x = 27,680,419.05
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Double scale
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Similar ratio
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1.5x scale
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.