Finding the Fourth Proportional to 11,191,011.20, 16,794,811.20 and 8,205,027.20
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Solution
The fourth proportional to 11,191,011.20, 16,794,811.20 and 8,205,027.20 is: 12,313,622.09
Step by Step Solution
- Step 1: Write the proportion equation
11,191,011.20 : 16,794,811.20 = 8,205,027.20 : x - Step 2: Convert to fraction form
11,191,011.20/16,794,811.20 = 8,205,027.20/x - Step 3: Cross multiply
11,191,011.20x = 16,794,811.20 × 8,205,027.20 - Step 4: Simplify right side
11,191,011.20x = 137,801,882,714,864.64 - Step 5: Solve for x
x = 137,801,882,714,864.64/11,191,011.20 - Step 6: Final answer
x = 12,313,622.09
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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.