Finding the Fourth Proportional to 18,042,540.84, 24,899,840.10 and 9,893,778.84
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Solution
The fourth proportional to 18,042,540.84, 24,899,840.10 and 9,893,778.84 is: 13,654,036.50
Step by Step Solution
- Step 1: Write the proportion equation
18,042,540.84 : 24,899,840.10 = 9,893,778.84 : x - Step 2: Convert to fraction form
18,042,540.84/24,899,840.10 = 9,893,778.84/x - Step 3: Cross multiply
18,042,540.84x = 24,899,840.10 × 9,893,778.84 - Step 4: Simplify right side
18,042,540.84x = 246,353,511,100,763.50 - Step 5: Solve for x
x = 246,353,511,100,763.50/18,042,540.84 - Step 6: Final answer
x = 13,654,036.50
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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.