Finding the Fourth Proportional to 27,733,392.66, 38,272,892.82 and 15,175,201.26
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Solution
The fourth proportional to 27,733,392.66, 38,272,892.82 and 15,175,201.26 is: 20,942,221.48
Step by Step Solution
- Step 1: Write the proportion equation
27,733,392.66 : 38,272,892.82 = 15,175,201.26 : x - Step 2: Convert to fraction form
27,733,392.66/38,272,892.82 = 15,175,201.26/x - Step 3: Cross multiply
27,733,392.66x = 38,272,892.82 × 15,175,201.26 - Step 4: Simplify right side
27,733,392.66x = 580,798,851,345,909 - Step 5: Solve for x
x = 580,798,851,345,909/27,733,392.66 - Step 6: Final answer
x = 20,942,221.48
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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.