Finding the Fourth Proportional to 8,087,858.54, 12,128,414.96 and 3,292,292.42
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Solution
The fourth proportional to 8,087,858.54, 12,128,414.96 and 3,292,292.42 is: 4,937,065.66
Step by Step Solution
- Step 1: Write the proportion equation
8,087,858.54 : 12,128,414.96 = 3,292,292.42 : x - Step 2: Convert to fraction form
8,087,858.54/12,128,414.96 = 3,292,292.42/x - Step 3: Cross multiply
8,087,858.54x = 12,128,414.96 × 3,292,292.42 - Step 4: Simplify right side
8,087,858.54x = 39,930,288,639,422.60 - Step 5: Solve for x
x = 39,930,288,639,422.60/8,087,858.54 - Step 6: Final answer
x = 4,937,065.66
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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.