Finding the Fourth Proportional to 12,059,383.28, 18,085,187.52 and 3,970,432.99
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Solution
The fourth proportional to 12,059,383.28, 18,085,187.52 and 3,970,432.99 is: 5,954,369.60
Step by Step Solution
- Step 1: Write the proportion equation
12,059,383.28 : 18,085,187.52 = 3,970,432.99 : x - Step 2: Convert to fraction form
12,059,383.28/18,085,187.52 = 3,970,432.99/x - Step 3: Cross multiply
12,059,383.28x = 18,085,187.52 × 3,970,432.99 - Step 4: Simplify right side
12,059,383.28x = 71,806,025,182,350.77 - Step 5: Solve for x
x = 71,806,025,182,350.77/12,059,383.28 - Step 6: Final answer
x = 5,954,369.60
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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.