Finding the Fourth Proportional to 14,853,301.99, 20,497,251.28 and 8,236,822.72
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Solution
The fourth proportional to 14,853,301.99, 20,497,251.28 and 8,236,822.72 is: 11,366,645.96
Step by Step Solution
- Step 1: Write the proportion equation
14,853,301.99 : 20,497,251.28 = 8,236,822.72 : x - Step 2: Convert to fraction form
14,853,301.99/20,497,251.28 = 8,236,822.72/x - Step 3: Cross multiply
14,853,301.99x = 20,497,251.28 × 8,236,822.72 - Step 4: Simplify right side
14,853,301.99x = 168,832,225,040,653.09 - Step 5: Solve for x
x = 168,832,225,040,653.09/14,853,301.99 - Step 6: Final answer
x = 11,366,645.96
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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.