Finding the Fourth Proportional to 8,264,609.28, 12,395,980.80 and 2,872,350.72
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Solution
The fourth proportional to 8,264,609.28, 12,395,980.80 and 2,872,350.72 is: 4,308,201.78
Step by Step Solution
- Step 1: Write the proportion equation
8,264,609.28 : 12,395,980.80 = 2,872,350.72 : x - Step 2: Convert to fraction form
8,264,609.28/12,395,980.80 = 2,872,350.72/x - Step 3: Cross multiply
8,264,609.28x = 12,395,980.80 × 2,872,350.72 - Step 4: Simplify right side
8,264,609.28x = 35,605,604,375,986.18 - Step 5: Solve for x
x = 35,605,604,375,986.18/8,264,609.28 - Step 6: Final answer
x = 4,308,201.78
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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.