Finding the Fourth Proportional to 8,324,589.64, 11,487,979.79 and 4,653,660.94
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Solution
The fourth proportional to 8,324,589.64, 11,487,979.79 and 4,653,660.94 is: 6,422,077.86
Step by Step Solution
- Step 1: Write the proportion equation
8,324,589.64 : 11,487,979.79 = 4,653,660.94 : x - Step 2: Convert to fraction form
8,324,589.64/11,487,979.79 = 4,653,660.94/x - Step 3: Cross multiply
8,324,589.64x = 11,487,979.79 × 4,653,660.94 - Step 4: Simplify right side
8,324,589.64x = 53,461,162,828,232.41 - Step 5: Solve for x
x = 53,461,162,828,232.41/8,324,589.64 - Step 6: Final answer
x = 6,422,077.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.