Finding the Fourth Proportional to 13,063,208.70, 19,571,193.45 and 11,173,640.70
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Solution
The fourth proportional to 13,063,208.70, 19,571,193.45 and 11,173,640.70 is: 16,740,257.98
Step by Step Solution
- Step 1: Write the proportion equation
13,063,208.70 : 19,571,193.45 = 11,173,640.70 : x - Step 2: Convert to fraction form
13,063,208.70/19,571,193.45 = 11,173,640.70/x - Step 3: Cross multiply
13,063,208.70x = 19,571,193.45 × 11,173,640.70 - Step 4: Simplify right side
13,063,208.70x = 218,681,483,680,493.41 - Step 5: Solve for x
x = 218,681,483,680,493.41/13,063,208.70 - Step 6: Final answer
x = 16,740,257.98
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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.