Finding the Fourth Proportional to 8,158,433.36, 11,258,660.54 and 4,487,726.12
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Solution
The fourth proportional to 8,158,433.36, 11,258,660.54 and 4,487,726.12 is: 6,193,074.42
Step by Step Solution
- Step 1: Write the proportion equation
8,158,433.36 : 11,258,660.54 = 4,487,726.12 : x - Step 2: Convert to fraction form
8,158,433.36/11,258,660.54 = 4,487,726.12/x - Step 3: Cross multiply
8,158,433.36x = 11,258,660.54 × 4,487,726.12 - Step 4: Simplify right side
8,158,433.36x = 50,525,784,981,571.30 - Step 5: Solve for x
x = 50,525,784,981,571.30/8,158,433.36 - Step 6: Final answer
x = 6,193,074.42
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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.