Finding the Fourth Proportional to 27,189,845.92, 37,522,977.68 and 14,799,340.96
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Solution
The fourth proportional to 27,189,845.92, 37,522,977.68 and 14,799,340.96 is: 20,423,629.55
Step by Step Solution
- Step 1: Write the proportion equation
27,189,845.92 : 37,522,977.68 = 14,799,340.96 : x - Step 2: Convert to fraction form
27,189,845.92/37,522,977.68 = 14,799,340.96/x - Step 3: Cross multiply
27,189,845.92x = 37,522,977.68 × 14,799,340.96 - Step 4: Simplify right side
27,189,845.92x = 555,315,340,520,789.81 - Step 5: Solve for x
x = 555,315,340,520,789.81/27,189,845.92 - Step 6: Final answer
x = 20,423,629.55
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1.5x scale
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.