Finding the Fourth Proportional to 11,352,432.92, 15,661,442.69 and 6,942,351.36
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Solution
The fourth proportional to 11,352,432.92, 15,661,442.69 and 6,942,351.36 is: 9,577,439.37
Step by Step Solution
- Step 1: Write the proportion equation
11,352,432.92 : 15,661,442.69 = 6,942,351.36 : x - Step 2: Convert to fraction form
11,352,432.92/15,661,442.69 = 6,942,351.36/x - Step 3: Cross multiply
11,352,432.92x = 15,661,442.69 × 6,942,351.36 - Step 4: Simplify right side
11,352,432.92x = 108,727,237,923,771.81 - Step 5: Solve for x
x = 108,727,237,923,771.81/11,352,432.92 - Step 6: Final answer
x = 9,577,439.37
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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.