Finding the Fourth Proportional to 39,193,384.68, 54,080,937.09 and 22,445,520.12
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Solution
The fourth proportional to 39,193,384.68, 54,080,937.09 and 22,445,520.12 is: 30,971,419.58
Step by Step Solution
- Step 1: Write the proportion equation
39,193,384.68 : 54,080,937.09 = 22,445,520.12 : x - Step 2: Convert to fraction form
39,193,384.68/54,080,937.09 = 22,445,520.12/x - Step 3: Cross multiply
39,193,384.68x = 54,080,937.09 × 22,445,520.12 - Step 4: Simplify right side
39,193,384.68x = 1,213,874,761,562,049.50 - Step 5: Solve for x
x = 1,213,874,761,562,049.50/39,193,384.68 - Step 6: Final answer
x = 30,971,419.58
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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.