Finding the Fourth Proportional to 48,493,867.21, 66,920,588.16 and 26,467,524.55
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Solution
The fourth proportional to 48,493,867.21, 66,920,588.16 and 26,467,524.55 is: 36,524,666.15
Step by Step Solution
- Step 1: Write the proportion equation
48,493,867.21 : 66,920,588.16 = 26,467,524.55 : x - Step 2: Convert to fraction form
48,493,867.21/66,920,588.16 = 26,467,524.55/x - Step 3: Cross multiply
48,493,867.21x = 66,920,588.16 × 26,467,524.55 - Step 4: Simplify right side
48,493,867.21x = 1,771,222,310,025,239.25 - Step 5: Solve for x
x = 1,771,222,310,025,239.25/48,493,867.21 - Step 6: Final answer
x = 36,524,666.15
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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.