Finding the Fourth Proportional to 8,128,448.62, 12,192,713.58 and 2,063,182.17
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Solution
The fourth proportional to 8,128,448.62, 12,192,713.58 and 2,063,182.17 is: 3,094,783.58
Step by Step Solution
- Step 1: Write the proportion equation
8,128,448.62 : 12,192,713.58 = 2,063,182.17 : x - Step 2: Convert to fraction form
8,128,448.62/12,192,713.58 = 2,063,182.17/x - Step 3: Cross multiply
8,128,448.62x = 12,192,713.58 × 2,063,182.17 - Step 4: Simplify right side
8,128,448.62x = 25,155,789,315,632.48 - Step 5: Solve for x
x = 25,155,789,315,632.48/8,128,448.62 - Step 6: Final answer
x = 3,094,783.58
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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.