Finding the Fourth Proportional to 18,221,762.70, 27,327,122.82 and 9,581,207.04
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Solution
The fourth proportional to 18,221,762.70, 27,327,122.82 and 9,581,207.04 is: 14,368,907.44
Step by Step Solution
- Step 1: Write the proportion equation
18,221,762.70 : 27,327,122.82 = 9,581,207.04 : x - Step 2: Convert to fraction form
18,221,762.70/27,327,122.82 = 9,581,207.04/x - Step 3: Cross multiply
18,221,762.70x = 27,327,122.82 × 9,581,207.04 - Step 4: Simplify right side
18,221,762.70x = 261,826,821,545,928.62 - Step 5: Solve for x
x = 261,826,821,545,928.62/18,221,762.70 - Step 6: Final answer
x = 14,368,907.44
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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.