Finding the Fourth Proportional to 7,758,736.58, 11,638,104.15 and 2,966,910.50
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Solution
The fourth proportional to 7,758,736.58, 11,638,104.15 and 2,966,910.50 is: 4,450,365.47
Step by Step Solution
- Step 1: Write the proportion equation
7,758,736.58 : 11,638,104.15 = 2,966,910.50 : x - Step 2: Convert to fraction form
7,758,736.58/11,638,104.15 = 2,966,910.50/x - Step 3: Cross multiply
7,758,736.58x = 11,638,104.15 × 2,966,910.50 - Step 4: Simplify right side
7,758,736.58x = 34,529,213,402,728.57 - Step 5: Solve for x
x = 34,529,213,402,728.57/7,758,736.58 - Step 6: Final answer
x = 4,450,365.47
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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.