Finding the Fourth Proportional to 39,817,057.20, 54,918,201.84 and 30,027,913.98
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Solution
The fourth proportional to 39,817,057.20, 54,918,201.84 and 30,027,913.98 is: 41,416,396.81
Step by Step Solution
- Step 1: Write the proportion equation
39,817,057.20 : 54,918,201.84 = 30,027,913.98 : x - Step 2: Convert to fraction form
39,817,057.20/54,918,201.84 = 30,027,913.98/x - Step 3: Cross multiply
39,817,057.20x = 54,918,201.84 × 30,027,913.98 - Step 4: Simplify right side
39,817,057.20x = 1,649,079,040,787,797.75 - Step 5: Solve for x
x = 1,649,079,040,787,797.75/39,817,057.20 - Step 6: Final answer
x = 41,416,396.81
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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.