Finding the Fourth Proportional to 39,485,954.76, 54,490,431.57 and 22,082,369.18
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Solution
The fourth proportional to 39,485,954.76, 54,490,431.57 and 22,082,369.18 is: 30,473,565.45
Step by Step Solution
- Step 1: Write the proportion equation
39,485,954.76 : 54,490,431.57 = 22,082,369.18 : x - Step 2: Convert to fraction form
39,485,954.76/54,490,431.57 = 22,082,369.18/x - Step 3: Cross multiply
39,485,954.76x = 54,490,431.57 × 22,082,369.18 - Step 4: Simplify right side
39,485,954.76x = 1,203,277,826,706,267 - Step 5: Solve for x
x = 1,203,277,826,706,267/39,485,954.76 - Step 6: Final answer
x = 30,473,565.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.