Finding the Fourth Proportional to 8,279,294.36, 12,418,067.93 and 2,214,638.06
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Solution
The fourth proportional to 8,279,294.36, 12,418,067.93 and 2,214,638.06 is: 3,321,723.40
Step by Step Solution
- Step 1: Write the proportion equation
8,279,294.36 : 12,418,067.93 = 2,214,638.06 : x - Step 2: Convert to fraction form
8,279,294.36/12,418,067.93 = 2,214,638.06/x - Step 3: Cross multiply
8,279,294.36x = 12,418,067.93 × 2,214,638.06 - Step 4: Simplify right side
8,279,294.36x = 27,501,525,796,279.89 - Step 5: Solve for x
x = 27,501,525,796,279.89/8,279,294.36 - Step 6: Final answer
x = 3,321,723.40
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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.