Finding the Fourth Proportional to 39,526,767.18, 54,534,504.69 and 22,120,346.70
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Solution
The fourth proportional to 39,526,767.18, 54,534,504.69 and 22,120,346.70 is: 30,519,120.00
Step by Step Solution
- Step 1: Write the proportion equation
39,526,767.18 : 54,534,504.69 = 22,120,346.70 : x - Step 2: Convert to fraction form
39,526,767.18/54,534,504.69 = 22,120,346.70/x - Step 3: Cross multiply
39,526,767.18x = 54,534,504.69 × 22,120,346.70 - Step 4: Simplify right side
39,526,767.18x = 1,206,322,150,855,576 - Step 5: Solve for x
x = 1,206,322,150,855,576/39,526,767.18 - Step 6: Final answer
x = 30,519,120.00
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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.