Finding the Fourth Proportional to 11,594,747.20, 17,392,120.80 and 10,319,288.80
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Solution
The fourth proportional to 11,594,747.20, 17,392,120.80 and 10,319,288.80 is: 15,478,933.20
Step by Step Solution
- Step 1: Write the proportion equation
11,594,747.20 : 17,392,120.80 = 10,319,288.80 : x - Step 2: Convert to fraction form
11,594,747.20/17,392,120.80 = 10,319,288.80/x - Step 3: Cross multiply
11,594,747.20x = 17,392,120.80 × 10,319,288.80 - Step 4: Simplify right side
11,594,747.20x = 179,474,317,379,687.06 - Step 5: Solve for x
x = 179,474,317,379,687.06/11,594,747.20 - Step 6: Final answer
x = 15,478,933.20
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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.