Finding the Fourth Proportional to 8,519,838.08, 12,770,290.71 and 6,491,394.36
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Solution
The fourth proportional to 8,519,838.08, 12,770,290.71 and 6,491,394.36 is: 9,729,878.94
Step by Step Solution
- Step 1: Write the proportion equation
8,519,838.08 : 12,770,290.71 = 6,491,394.36 : x - Step 2: Convert to fraction form
8,519,838.08/12,770,290.71 = 6,491,394.36/x - Step 3: Cross multiply
8,519,838.08x = 12,770,290.71 × 6,491,394.36 - Step 4: Simplify right side
8,519,838.08x = 82,896,993,090,454.41 - Step 5: Solve for x
x = 82,896,993,090,454.41/8,519,838.08 - Step 6: Final answer
x = 9,729,878.94
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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.