Finding the Fourth Proportional to 13,204,029.70, 18,498,238.70 and 13,204,029.70
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Solution
The fourth proportional to 13,204,029.70, 18,498,238.70 and 13,204,029.70 is: 18,498,238.70
Step by Step Solution
- Step 1: Write the proportion equation
13,204,029.70 : 18,498,238.70 = 13,204,029.70 : x - Step 2: Convert to fraction form
13,204,029.70/18,498,238.70 = 13,204,029.70/x - Step 3: Cross multiply
13,204,029.70x = 18,498,238.70 × 13,204,029.70 - Step 4: Simplify right side
13,204,029.70x = 244,251,293,192,489.38 - Step 5: Solve for x
x = 244,251,293,192,489.38/13,204,029.70 - Step 6: Final answer
x = 18,498,238.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.