Finding the Fourth Proportional to 18,432,821.10, 27,649,231.65 and 5,653,224.30
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Solution
The fourth proportional to 18,432,821.10, 27,649,231.65 and 5,653,224.30 is: 8,479,836.45
Step by Step Solution
- Step 1: Write the proportion equation
18,432,821.10 : 27,649,231.65 = 5,653,224.30 : x - Step 2: Convert to fraction form
18,432,821.10/27,649,231.65 = 5,653,224.30/x - Step 3: Cross multiply
18,432,821.10x = 27,649,231.65 × 5,653,224.30 - Step 4: Simplify right side
18,432,821.10x = 156,307,308,240,109.09 - Step 5: Solve for x
x = 156,307,308,240,109.09/18,432,821.10 - Step 6: Final answer
x = 8,479,836.45
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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.