Finding the Fourth Proportional to 8,279,296.36, 12,418,070.92 and 2,214,640.06
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Solution
The fourth proportional to 8,279,296.36, 12,418,070.92 and 2,214,640.06 is: 3,321,726.40
Step by Step Solution
- Step 1: Write the proportion equation
8,279,296.36 : 12,418,070.92 = 2,214,640.06 : x - Step 2: Convert to fraction form
8,279,296.36/12,418,070.92 = 2,214,640.06/x - Step 3: Cross multiply
8,279,296.36x = 12,418,070.92 × 2,214,640.06 - Step 4: Simplify right side
8,279,296.36x = 27,501,557,327,353.05 - Step 5: Solve for x
x = 27,501,557,327,353.05/8,279,296.36 - Step 6: Final answer
x = 3,321,726.40
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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.