Finding the Fourth Proportional to 8,633,468.43, 11,913,874.07 and 4,765,906.62
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Solution
The fourth proportional to 8,633,468.43, 11,913,874.07 and 4,765,906.62 is: 6,576,778.70
Step by Step Solution
- Step 1: Write the proportion equation
8,633,468.43 : 11,913,874.07 = 4,765,906.62 : x - Step 2: Convert to fraction form
8,633,468.43/11,913,874.07 = 4,765,906.62/x - Step 3: Cross multiply
8,633,468.43x = 11,913,874.07 × 4,765,906.62 - Step 4: Simplify right side
8,633,468.43x = 56,780,411,276,229.81 - Step 5: Solve for x
x = 56,780,411,276,229.81/8,633,468.43 - Step 6: Final answer
x = 6,576,778.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.