Finding the Fourth Proportional to 11,257,451.97, 15,503,063.55 and 10,555,972.17
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Solution
The fourth proportional to 11,257,451.97, 15,503,063.55 and 10,555,972.17 is: 14,537,029.14
Step by Step Solution
- Step 1: Write the proportion equation
11,257,451.97 : 15,503,063.55 = 10,555,972.17 : x - Step 2: Convert to fraction form
11,257,451.97/15,503,063.55 = 10,555,972.17/x - Step 3: Cross multiply
11,257,451.97x = 15,503,063.55 × 10,555,972.17 - Step 4: Simplify right side
11,257,451.97x = 163,649,907,383,541.41 - Step 5: Solve for x
x = 163,649,907,383,541.41/11,257,451.97 - Step 6: Final answer
x = 14,537,029.14
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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.