Finding the Fourth Proportional to 54,842,431.80, 82,263,647.70 and 13,901,791.80
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Solution
The fourth proportional to 54,842,431.80, 82,263,647.70 and 13,901,791.80 is: 20,852,687.70
Step by Step Solution
- Step 1: Write the proportion equation
54,842,431.80 : 82,263,647.70 = 13,901,791.80 : x - Step 2: Convert to fraction form
54,842,431.80/82,263,647.70 = 13,901,791.80/x - Step 3: Cross multiply
54,842,431.80x = 82,263,647.70 × 13,901,791.80 - Step 4: Simplify right side
54,842,431.80x = 1,143,612,103,033,949 - Step 5: Solve for x
x = 1,143,612,103,033,949/54,842,431.80 - Step 6: Final answer
x = 20,852,687.70
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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.