Finding the Fourth Proportional to 18,189,408.60, 27,287,903.70 and 6,062,639.40
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Solution
The fourth proportional to 18,189,408.60, 27,287,903.70 and 6,062,639.40 is: 9,095,222.60
Step by Step Solution
- Step 1: Write the proportion equation
18,189,408.60 : 27,287,903.70 = 6,062,639.40 : x - Step 2: Convert to fraction form
18,189,408.60/27,287,903.70 = 6,062,639.40/x - Step 3: Cross multiply
18,189,408.60x = 27,287,903.70 × 6,062,639.40 - Step 4: Simplify right side
18,189,408.60x = 165,436,720,115,025.78 - Step 5: Solve for x
x = 165,436,720,115,025.78/18,189,408.60 - Step 6: Final answer
x = 9,095,222.60
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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.