Finding the Fourth Proportional to 8,261,895.60, 12,392,853.12 and 2,582,149.68
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Solution
The fourth proportional to 8,261,895.60, 12,392,853.12 and 2,582,149.68 is: 3,873,227.56
Step by Step Solution
- Step 1: Write the proportion equation
8,261,895.60 : 12,392,853.12 = 2,582,149.68 : x - Step 2: Convert to fraction form
8,261,895.60/12,392,853.12 = 2,582,149.68/x - Step 3: Cross multiply
8,261,895.60x = 12,392,853.12 × 2,582,149.68 - Step 4: Simplify right side
8,261,895.60x = 32,000,201,718,095 - Step 5: Solve for x
x = 32,000,201,718,095/8,261,895.60 - Step 6: Final answer
x = 3,873,227.56
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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.