Finding the Fourth Proportional to 9,969,121.13, 14,956,339.91 and 3,579,428.84
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Solution
The fourth proportional to 9,969,121.13, 14,956,339.91 and 3,579,428.84 is: 5,370,097.69
Step by Step Solution
- Step 1: Write the proportion equation
9,969,121.13 : 14,956,339.91 = 3,579,428.84 : x - Step 2: Convert to fraction form
9,969,121.13/14,956,339.91 = 3,579,428.84/x - Step 3: Cross multiply
9,969,121.13x = 14,956,339.91 × 3,579,428.84 - Step 4: Simplify right side
9,969,121.13x = 53,535,154,322,018.16 - Step 5: Solve for x
x = 53,535,154,322,018.16/9,969,121.13 - Step 6: Final answer
x = 5,370,097.69
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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.