Finding the Fourth Proportional to 11,351,835.22, 15,670,374.84 and 7,632,821.87
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Solution
The fourth proportional to 11,351,835.22, 15,670,374.84 and 7,632,821.87 is: 10,536,550.03
Step by Step Solution
- Step 1: Write the proportion equation
11,351,835.22 : 15,670,374.84 = 7,632,821.87 : x - Step 2: Convert to fraction form
11,351,835.22/15,670,374.84 = 7,632,821.87/x - Step 3: Cross multiply
11,351,835.22x = 15,670,374.84 × 7,632,821.87 - Step 4: Simplify right side
11,351,835.22x = 119,609,179,673,333.78 - Step 5: Solve for x
x = 119,609,179,673,333.78/11,351,835.22 - Step 6: Final answer
x = 10,536,550.03
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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.