Finding the Fourth Proportional to 12,440,266.92, 17,163,763.92 and 7,212,231.57
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Solution
The fourth proportional to 12,440,266.92, 17,163,763.92 and 7,212,231.57 is: 9,950,673.95
Step by Step Solution
- Step 1: Write the proportion equation
12,440,266.92 : 17,163,763.92 = 7,212,231.57 : x - Step 2: Convert to fraction form
12,440,266.92/17,163,763.92 = 7,212,231.57/x - Step 3: Cross multiply
12,440,266.92x = 17,163,763.92 × 7,212,231.57 - Step 4: Simplify right side
12,440,266.92x = 123,789,040,003,850.97 - Step 5: Solve for x
x = 123,789,040,003,850.97/12,440,266.92 - Step 6: Final answer
x = 9,950,673.95
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1.5x scale
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.