Finding the Fourth Proportional to 13,026,177.44, 17,964,363.84 and 8,131,850.72
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Solution
The fourth proportional to 13,026,177.44, 17,964,363.84 and 8,131,850.72 is: 11,214,611.94
Step by Step Solution
- Step 1: Write the proportion equation
13,026,177.44 : 17,964,363.84 = 8,131,850.72 : x - Step 2: Convert to fraction form
13,026,177.44/17,964,363.84 = 8,131,850.72/x - Step 3: Cross multiply
13,026,177.44x = 17,964,363.84 × 8,131,850.72 - Step 4: Simplify right side
13,026,177.44x = 146,083,525,026,645.97 - Step 5: Solve for x
x = 146,083,525,026,645.97/13,026,177.44 - Step 6: Final answer
x = 11,214,611.94
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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.