Finding the Fourth Proportional to 20,237,420.26, 30,358,257.05 and 6,591,629.98
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Solution
The fourth proportional to 20,237,420.26, 30,358,257.05 and 6,591,629.98 is: 9,888,137.65
Step by Step Solution
- Step 1: Write the proportion equation
20,237,420.26 : 30,358,257.05 = 6,591,629.98 : x - Step 2: Convert to fraction form
20,237,420.26/30,358,257.05 = 6,591,629.98/x - Step 3: Cross multiply
20,237,420.26x = 30,358,257.05 × 6,591,629.98 - Step 4: Simplify right side
20,237,420.26x = 200,110,397,311,326.38 - Step 5: Solve for x
x = 200,110,397,311,326.38/20,237,420.26 - Step 6: Final answer
x = 9,888,137.65
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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.