Finding the Fourth Proportional to 10,873,237.20, 16,309,855.80 and 4,480,198.80
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Solution
The fourth proportional to 10,873,237.20, 16,309,855.80 and 4,480,198.80 is: 6,720,298.20
Step by Step Solution
- Step 1: Write the proportion equation
10,873,237.20 : 16,309,855.80 = 4,480,198.80 : x - Step 2: Convert to fraction form
10,873,237.20/16,309,855.80 = 4,480,198.80/x - Step 3: Cross multiply
10,873,237.20x = 16,309,855.80 × 4,480,198.80 - Step 4: Simplify right side
10,873,237.20x = 73,071,396,383,333.05 - Step 5: Solve for x
x = 73,071,396,383,333.05/10,873,237.20 - Step 6: Final answer
x = 6,720,298.20
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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.