Finding the Fourth Proportional to 11,543,898.44, 15,923,638.86 and 7,623,690.62
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Solution
The fourth proportional to 11,543,898.44, 15,923,638.86 and 7,623,690.62 is: 10,516,109.17
Step by Step Solution
- Step 1: Write the proportion equation
11,543,898.44 : 15,923,638.86 = 7,623,690.62 : x - Step 2: Convert to fraction form
11,543,898.44/15,923,638.86 = 7,623,690.62/x - Step 3: Cross multiply
11,543,898.44x = 15,923,638.86 × 7,623,690.62 - Step 4: Simplify right side
11,543,898.44x = 121,396,896,213,249.48 - Step 5: Solve for x
x = 121,396,896,213,249.48/11,543,898.44 - Step 6: Final answer
x = 10,516,109.17
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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.