Finding the Fourth Proportional to 11,296,442.89, 15,589,194.49 and 6,139,817.65
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Solution
The fourth proportional to 11,296,442.89, 15,589,194.49 and 6,139,817.65 is: 8,473,004.50
Step by Step Solution
- Step 1: Write the proportion equation
11,296,442.89 : 15,589,194.49 = 6,139,817.65 : x - Step 2: Convert to fraction form
11,296,442.89/15,589,194.49 = 6,139,817.65/x - Step 3: Cross multiply
11,296,442.89x = 15,589,194.49 × 6,139,817.65 - Step 4: Simplify right side
11,296,442.89x = 95,714,811,478,984.75 - Step 5: Solve for x
x = 95,714,811,478,984.75/11,296,442.89 - Step 6: Final answer
x = 8,473,004.50
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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.