Finding the Fourth Proportional to 11,219,423.81, 16,829,135.10 and 2,699,761.19
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Solution
The fourth proportional to 11,219,423.81, 16,829,135.10 and 2,699,761.19 is: 4,049,641.63
Step by Step Solution
- Step 1: Write the proportion equation
11,219,423.81 : 16,829,135.10 = 2,699,761.19 : x - Step 2: Convert to fraction form
11,219,423.81/16,829,135.10 = 2,699,761.19/x - Step 3: Cross multiply
11,219,423.81x = 16,829,135.10 × 2,699,761.19 - Step 4: Simplify right side
11,219,423.81x = 45,434,645,720,101.10 - Step 5: Solve for x
x = 45,434,645,720,101.10/11,219,423.81 - Step 6: Final answer
x = 4,049,641.63
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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.