Finding the Fourth Proportional to 27,242,481.24, 40,863,867.84 and 8,073,404.28
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Solution
The fourth proportional to 27,242,481.24, 40,863,867.84 and 8,073,404.28 is: 12,110,149.68
Step by Step Solution
- Step 1: Write the proportion equation
27,242,481.24 : 40,863,867.84 = 8,073,404.28 : x - Step 2: Convert to fraction form
27,242,481.24/40,863,867.84 = 8,073,404.28/x - Step 3: Cross multiply
27,242,481.24x = 40,863,867.84 × 8,073,404.28 - Step 4: Simplify right side
27,242,481.24x = 329,910,525,516,810.38 - Step 5: Solve for x
x = 329,910,525,516,810.38/27,242,481.24 - Step 6: Final answer
x = 12,110,149.68
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1.5x scale
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.