Finding the Fourth Proportional to 11,021,424.30, 16,532,189.28 and 3,345,135.84
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Solution
The fourth proportional to 11,021,424.30, 16,532,189.28 and 3,345,135.84 is: 5,017,719.79
Step by Step Solution
- Step 1: Write the proportion equation
11,021,424.30 : 16,532,189.28 = 3,345,135.84 : x - Step 2: Convert to fraction form
11,021,424.30/16,532,189.28 = 3,345,135.84/x - Step 3: Cross multiply
11,021,424.30x = 16,532,189.28 × 3,345,135.84 - Step 4: Simplify right side
11,021,424.30x = 55,302,418,874,191.79 - Step 5: Solve for x
x = 55,302,418,874,191.79/11,021,424.30 - Step 6: Final answer
x = 5,017,719.79
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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.