Finding the Fourth Proportional to 43,771,122.36, 65,658,021.26 and 15,016,854.60
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Solution
The fourth proportional to 43,771,122.36, 65,658,021.26 and 15,016,854.60 is: 22,525,740.84
Step by Step Solution
- Step 1: Write the proportion equation
43,771,122.36 : 65,658,021.26 = 15,016,854.60 : x - Step 2: Convert to fraction form
43,771,122.36/65,658,021.26 = 15,016,854.60/x - Step 3: Cross multiply
43,771,122.36x = 65,658,021.26 × 15,016,854.60 - Step 4: Simplify right side
43,771,122.36x = 985,976,958,585,128.75 - Step 5: Solve for x
x = 985,976,958,585,128.75/43,771,122.36 - Step 6: Final answer
x = 22,525,740.84
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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.