Finding the Fourth Proportional to 21,493,045.80, 32,239,568.70 and 5,536,693.80
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Solution
The fourth proportional to 21,493,045.80, 32,239,568.70 and 5,536,693.80 is: 8,305,040.70
Step by Step Solution
- Step 1: Write the proportion equation
21,493,045.80 : 32,239,568.70 = 5,536,693.80 : x - Step 2: Convert to fraction form
21,493,045.80/32,239,568.70 = 5,536,693.80/x - Step 3: Cross multiply
21,493,045.80x = 32,239,568.70 × 5,536,693.80 - Step 4: Simplify right side
21,493,045.80x = 178,500,620,135,964.06 - Step 5: Solve for x
x = 178,500,620,135,964.06/21,493,045.80 - Step 6: Final answer
x = 8,305,040.70
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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.