Finding the Fourth Proportional to 8,246,507.91, 12,371,539.83 and 2,488,760.21
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Solution
The fourth proportional to 8,246,507.91, 12,371,539.83 and 2,488,760.21 is: 3,733,676.90
Step by Step Solution
- Step 1: Write the proportion equation
8,246,507.91 : 12,371,539.83 = 2,488,760.21 : x - Step 2: Convert to fraction form
8,246,507.91/12,371,539.83 = 2,488,760.21/x - Step 3: Cross multiply
8,246,507.91x = 12,371,539.83 × 2,488,760.21 - Step 4: Simplify right side
8,246,507.91x = 30,789,796,073,131.64 - Step 5: Solve for x
x = 30,789,796,073,131.64/8,246,507.91 - Step 6: Final answer
x = 3,733,676.90
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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.