Finding the Fourth Proportional to 7,477,242.98, 11,215,860.42 and 1,797,465.47
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Solution
The fourth proportional to 7,477,242.98, 11,215,860.42 and 1,797,465.47 is: 2,696,197.23
Step by Step Solution
- Step 1: Write the proportion equation
7,477,242.98 : 11,215,860.42 = 1,797,465.47 : x - Step 2: Convert to fraction form
7,477,242.98/11,215,860.42 = 1,797,465.47/x - Step 3: Cross multiply
7,477,242.98x = 11,215,860.42 × 1,797,465.47 - Step 4: Simplify right side
7,477,242.98x = 20,160,121,821,289.70 - Step 5: Solve for x
x = 20,160,121,821,289.70/7,477,242.98 - Step 6: Final answer
x = 2,696,197.23
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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.