Finding the Fourth Proportional to 33,053,467.80, 49,580,201.70 and 20,120,424.60
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Solution
The fourth proportional to 33,053,467.80, 49,580,201.70 and 20,120,424.60 is: 30,180,636.90
Step by Step Solution
- Step 1: Write the proportion equation
33,053,467.80 : 49,580,201.70 = 20,120,424.60 : x - Step 2: Convert to fraction form
33,053,467.80/49,580,201.70 = 20,120,424.60/x - Step 3: Cross multiply
33,053,467.80x = 49,580,201.70 × 20,120,424.60 - Step 4: Simplify right side
33,053,467.80x = 997,574,709,957,642 - Step 5: Solve for x
x = 997,574,709,957,642/33,053,467.80 - Step 6: Final answer
x = 30,180,636.90
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1.5x scale
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.