Finding the Fourth Proportional to 8,264,266.26, 12,389,299.38 and 2,872,216.14
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Solution
The fourth proportional to 8,264,266.26, 12,389,299.38 and 2,872,216.14 is: 4,305,856.63
Step by Step Solution
- Step 1: Write the proportion equation
8,264,266.26 : 12,389,299.38 = 2,872,216.14 : x - Step 2: Convert to fraction form
8,264,266.26/12,389,299.38 = 2,872,216.14/x - Step 3: Cross multiply
8,264,266.26x = 12,389,299.38 × 2,872,216.14 - Step 4: Simplify right side
8,264,266.26x = 35,584,745,642,528 - Step 5: Solve for x
x = 35,584,745,642,528/8,264,266.26 - Step 6: Final answer
x = 4,305,856.63
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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.