Finding the Fourth Proportional to 11,043,731.20, 16,555,747.20 and 4,310,579.20
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Solution
The fourth proportional to 11,043,731.20, 16,555,747.20 and 4,310,579.20 is: 6,462,024.31
Step by Step Solution
- Step 1: Write the proportion equation
11,043,731.20 : 16,555,747.20 = 4,310,579.20 : x - Step 2: Convert to fraction form
11,043,731.20/16,555,747.20 = 4,310,579.20/x - Step 3: Cross multiply
11,043,731.20x = 16,555,747.20 × 4,310,579.20 - Step 4: Simplify right side
11,043,731.20x = 71,364,859,520,778.23 - Step 5: Solve for x
x = 71,364,859,520,778.23/11,043,731.20 - Step 6: Final answer
x = 6,462,024.31
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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.