Finding the Fourth Proportional to 36,218,155.68, 49,982,000.40 and 19,921,059.36
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Solution
The fourth proportional to 36,218,155.68, 49,982,000.40 and 19,921,059.36 is: 27,491,582.00
Step by Step Solution
- Step 1: Write the proportion equation
36,218,155.68 : 49,982,000.40 = 19,921,059.36 : x - Step 2: Convert to fraction form
36,218,155.68/49,982,000.40 = 19,921,059.36/x - Step 3: Cross multiply
36,218,155.68x = 49,982,000.40 × 19,921,059.36 - Step 4: Simplify right side
36,218,155.68x = 995,694,396,899,943.62 - Step 5: Solve for x
x = 995,694,396,899,943.62/36,218,155.68 - Step 6: Final answer
x = 27,491,582.00
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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.