Finding the Fourth Proportional to 8,120,591.47, 12,182,423.49 and 3,263,276.09
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Solution
The fourth proportional to 8,120,591.47, 12,182,423.49 and 3,263,276.09 is: 4,895,531.49
Step by Step Solution
- Step 1: Write the proportion equation
8,120,591.47 : 12,182,423.49 = 3,263,276.09 : x - Step 2: Convert to fraction form
8,120,591.47/12,182,423.49 = 3,263,276.09/x - Step 3: Cross multiply
8,120,591.47x = 12,182,423.49 × 3,263,276.09 - Step 4: Simplify right side
8,120,591.47x = 39,754,611,249,059.61 - Step 5: Solve for x
x = 39,754,611,249,059.61/8,120,591.47 - Step 6: Final answer
x = 4,895,531.49
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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.