Finding the Fourth Proportional to 7,432,383.99, 11,149,684.08 and 2,639,670.69
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Solution
The fourth proportional to 7,432,383.99, 11,149,684.08 and 2,639,670.69 is: 3,959,899.58
Step by Step Solution
- Step 1: Write the proportion equation
7,432,383.99 : 11,149,684.08 = 2,639,670.69 : x - Step 2: Convert to fraction form
7,432,383.99/11,149,684.08 = 2,639,670.69/x - Step 3: Cross multiply
7,432,383.99x = 11,149,684.08 × 2,639,670.69 - Step 4: Simplify right side
7,432,383.99x = 29,431,494,268,735.61 - Step 5: Solve for x
x = 29,431,494,268,735.61/7,432,383.99 - Step 6: Final answer
x = 3,959,899.58
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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.