Finding the Fourth Proportional to 8,162,726.09, 11,264,641.99 and 4,491,721.71
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Solution
The fourth proportional to 8,162,726.09, 11,264,641.99 and 4,491,721.71 is: 6,198,619.98
Step by Step Solution
- Step 1: Write the proportion equation
8,162,726.09 : 11,264,641.99 = 4,491,721.71 : x - Step 2: Convert to fraction form
8,162,726.09/11,264,641.99 = 4,491,721.71/x - Step 3: Cross multiply
8,162,726.09x = 11,264,641.99 × 4,491,721.71 - Step 4: Simplify right side
8,162,726.09x = 50,597,636,970,631.30 - Step 5: Solve for x
x = 50,597,636,970,631.30/8,162,726.09 - Step 6: Final answer
x = 6,198,619.98
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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.