Finding the Fourth Proportional to 47,726,536.71, 65,860,766.49 and 29,172,742.20
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Solution
The fourth proportional to 47,726,536.71, 65,860,766.49 and 29,172,742.20 is: 40,257,250.88
Step by Step Solution
- Step 1: Write the proportion equation
47,726,536.71 : 65,860,766.49 = 29,172,742.20 : x - Step 2: Convert to fraction form
47,726,536.71/65,860,766.49 = 29,172,742.20/x - Step 3: Cross multiply
47,726,536.71x = 65,860,766.49 × 29,172,742.20 - Step 4: Simplify right side
47,726,536.71x = 1,921,339,161,907,169 - Step 5: Solve for x
x = 1,921,339,161,907,169/47,726,536.71 - Step 6: Final answer
x = 40,257,250.88
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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.