Finding the Fourth Proportional to 8,530,490.88, 12,795,736.37 and 2,850,715.20
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Solution
The fourth proportional to 8,530,490.88, 12,795,736.37 and 2,850,715.20 is: 4,276,072.82
Step by Step Solution
- Step 1: Write the proportion equation
8,530,490.88 : 12,795,736.37 = 2,850,715.20 : x - Step 2: Convert to fraction form
8,530,490.88/12,795,736.37 = 2,850,715.20/x - Step 3: Cross multiply
8,530,490.88x = 12,795,736.37 × 2,850,715.20 - Step 4: Simplify right side
8,530,490.88x = 36,477,000,150,898.25 - Step 5: Solve for x
x = 36,477,000,150,898.25/8,530,490.88 - Step 6: Final answer
x = 4,276,072.82
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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.