Finding the Fourth Proportional to 12,795,731.21, 19,193,596.87 and 4,276,067.68
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Solution
The fourth proportional to 12,795,731.21, 19,193,596.87 and 4,276,067.68 is: 6,414,101.54
Step by Step Solution
- Step 1: Write the proportion equation
12,795,731.21 : 19,193,596.87 = 4,276,067.68 : x - Step 2: Convert to fraction form
12,795,731.21/19,193,596.87 = 4,276,067.68/x - Step 3: Cross multiply
12,795,731.21x = 19,193,596.87 × 4,276,067.68 - Step 4: Simplify right side
12,795,731.21x = 82,073,119,238,756.16 - Step 5: Solve for x
x = 82,073,119,238,756.16/12,795,731.21 - Step 6: Final answer
x = 6,414,101.54
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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.