Finding the Fourth Proportional to 18,227,630.70, 27,341,446.05 and 7,441,346.70
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Solution
The fourth proportional to 18,227,630.70, 27,341,446.05 and 7,441,346.70 is: 11,162,020.05
Step by Step Solution
- Step 1: Write the proportion equation
18,227,630.70 : 27,341,446.05 = 7,441,346.70 : x - Step 2: Convert to fraction form
18,227,630.70/27,341,446.05 = 7,441,346.70/x - Step 3: Cross multiply
18,227,630.70x = 27,341,446.05 × 7,441,346.70 - Step 4: Simplify right side
18,227,630.70x = 203,457,179,337,395.53 - Step 5: Solve for x
x = 203,457,179,337,395.53/18,227,630.70 - Step 6: Final answer
x = 11,162,020.05
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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.