Finding the Fourth Proportional to 43,997,660.20, 66,012,236.70 and 18,446,501.80
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Solution
The fourth proportional to 43,997,660.20, 66,012,236.70 and 18,446,501.80 is: 27,676,354.55
Step by Step Solution
- Step 1: Write the proportion equation
43,997,660.20 : 66,012,236.70 = 18,446,501.80 : x - Step 2: Convert to fraction form
43,997,660.20/66,012,236.70 = 18,446,501.80/x - Step 3: Cross multiply
43,997,660.20x = 66,012,236.70 × 18,446,501.80 - Step 4: Simplify right side
43,997,660.20x = 1,217,694,843,108,576.25 - Step 5: Solve for x
x = 1,217,694,843,108,576.25/43,997,660.20 - Step 6: Final answer
x = 27,676,354.55
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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.