Finding the Fourth Proportional to 20,816,122.06, 31,242,119.20 and 14,430,858.44
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Solution
The fourth proportional to 20,816,122.06, 31,242,119.20 and 14,430,858.44 is: 21,658,721.94
Step by Step Solution
- Step 1: Write the proportion equation
20,816,122.06 : 31,242,119.20 = 14,430,858.44 : x - Step 2: Convert to fraction form
20,816,122.06/31,242,119.20 = 14,430,858.44/x - Step 3: Cross multiply
20,816,122.06x = 31,242,119.20 × 14,430,858.44 - Step 4: Simplify right side
20,816,122.06x = 450,850,599,540,806 - Step 5: Solve for x
x = 450,850,599,540,806/20,816,122.06 - Step 6: Final answer
x = 21,658,721.94
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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.