Finding the Fourth Proportional to 25,571,887.21, 38,358,163.21 and 8,532,560.14
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Solution
The fourth proportional to 25,571,887.21, 38,358,163.21 and 8,532,560.14 is: 12,798,951.12
Step by Step Solution
- Step 1: Write the proportion equation
25,571,887.21 : 38,358,163.21 = 8,532,560.14 : x - Step 2: Convert to fraction form
25,571,887.21/38,358,163.21 = 8,532,560.14/x - Step 3: Cross multiply
25,571,887.21x = 38,358,163.21 × 8,532,560.14 - Step 4: Simplify right side
25,571,887.21x = 327,293,334,449,260.50 - Step 5: Solve for x
x = 327,293,334,449,260.50/25,571,887.21 - Step 6: Final answer
x = 12,798,951.12
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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.