Finding the Fourth Proportional to 8,512,892.12, 11,747,694.35 and 4,645,479.08
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Solution
The fourth proportional to 8,512,892.12, 11,747,694.35 and 4,645,479.08 is: 6,410,708.31
Step by Step Solution
- Step 1: Write the proportion equation
8,512,892.12 : 11,747,694.35 = 4,645,479.08 : x - Step 2: Convert to fraction form
8,512,892.12/11,747,694.35 = 4,645,479.08/x - Step 3: Cross multiply
8,512,892.12x = 11,747,694.35 × 4,645,479.08 - Step 4: Simplify right side
8,512,892.12x = 54,573,668,259,193.34 - Step 5: Solve for x
x = 54,573,668,259,193.34/8,512,892.12 - Step 6: Final answer
x = 6,410,708.31
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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.