Finding the Fourth Proportional to 8,279,302.12, 12,418,079.55 and 2,214,645.82
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Solution
The fourth proportional to 8,279,302.12, 12,418,079.55 and 2,214,645.82 is: 3,321,735.04
Step by Step Solution
- Step 1: Write the proportion equation
8,279,302.12 : 12,418,079.55 = 2,214,645.82 : x - Step 2: Convert to fraction form
8,279,302.12/12,418,079.55 = 2,214,645.82/x - Step 3: Cross multiply
8,279,302.12x = 12,418,079.55 × 2,214,645.82 - Step 4: Simplify right side
8,279,302.12x = 27,501,647,967,834.98 - Step 5: Solve for x
x = 27,501,647,967,834.98/8,279,302.12 - Step 6: Final answer
x = 3,321,735.04
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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.