Finding the Fourth Proportional to 11,053,133.20, 16,579,699.80 and 8,183,351.80
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Solution
The fourth proportional to 11,053,133.20, 16,579,699.80 and 8,183,351.80 is: 12,275,027.70
Step by Step Solution
- Step 1: Write the proportion equation
11,053,133.20 : 16,579,699.80 = 8,183,351.80 : x - Step 2: Convert to fraction form
11,053,133.20/16,579,699.80 = 8,183,351.80/x - Step 3: Cross multiply
11,053,133.20x = 16,579,699.80 × 8,183,351.80 - Step 4: Simplify right side
11,053,133.20x = 135,677,516,201,789.64 - Step 5: Solve for x
x = 135,677,516,201,789.64/11,053,133.20 - Step 6: Final answer
x = 12,275,027.70
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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.