Finding the Fourth Proportional to 17,451,378.91, 26,143,013.74 and 13,595,145.18
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Solution
The fourth proportional to 17,451,378.91, 26,143,013.74 and 13,595,145.18 is: 20,366,188.20
Step by Step Solution
- Step 1: Write the proportion equation
17,451,378.91 : 26,143,013.74 = 13,595,145.18 : x - Step 2: Convert to fraction form
17,451,378.91/26,143,013.74 = 13,595,145.18/x - Step 3: Cross multiply
17,451,378.91x = 26,143,013.74 × 13,595,145.18 - Step 4: Simplify right side
17,451,378.91x = 355,418,067,238,034.75 - Step 5: Solve for x
x = 355,418,067,238,034.75/17,451,378.91 - Step 6: Final answer
x = 20,366,188.20
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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.