Finding the Fourth Proportional to 54,383,420.16, 81,545,313.68 and 21,560,738.24
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Solution
The fourth proportional to 54,383,420.16, 81,545,313.68 and 21,560,738.24 is: 32,329,286.35
Step by Step Solution
- Step 1: Write the proportion equation
54,383,420.16 : 81,545,313.68 = 21,560,738.24 : x - Step 2: Convert to fraction form
54,383,420.16/81,545,313.68 = 21,560,738.24/x - Step 3: Cross multiply
54,383,420.16x = 81,545,313.68 × 21,560,738.24 - Step 4: Simplify right side
54,383,420.16x = 1,758,177,162,953,171.25 - Step 5: Solve for x
x = 1,758,177,162,953,171.25/54,383,420.16 - Step 6: Final answer
x = 32,329,286.35
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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.