Finding the Fourth Proportional to 18,430,330.22, 27,645,396.66 and 4,783,466.62
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Solution
The fourth proportional to 18,430,330.22, 27,645,396.66 and 4,783,466.62 is: 7,175,174.32
Step by Step Solution
- Step 1: Write the proportion equation
18,430,330.22 : 27,645,396.66 = 4,783,466.62 : x - Step 2: Convert to fraction form
18,430,330.22/27,645,396.66 = 4,783,466.62/x - Step 3: Cross multiply
18,430,330.22x = 27,645,396.66 × 4,783,466.62 - Step 4: Simplify right side
18,430,330.22x = 132,240,832,119,769.50 - Step 5: Solve for x
x = 132,240,832,119,769.50/18,430,330.22 - Step 6: Final answer
x = 7,175,174.32
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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.