Finding the Fourth Proportional to 8,670,149.68, 13,007,050.68 and 3,278,680.75
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Solution
The fourth proportional to 8,670,149.68, 13,007,050.68 and 3,278,680.75 is: 4,918,711.70
Step by Step Solution
- Step 1: Write the proportion equation
8,670,149.68 : 13,007,050.68 = 3,278,680.75 : x - Step 2: Convert to fraction form
8,670,149.68/13,007,050.68 = 3,278,680.75/x - Step 3: Cross multiply
8,670,149.68x = 13,007,050.68 × 3,278,680.75 - Step 4: Simplify right side
8,670,149.68x = 42,645,966,678,790.41 - Step 5: Solve for x
x = 42,645,966,678,790.41/8,670,149.68 - Step 6: Final answer
x = 4,918,711.70
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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.