Finding the Fourth Proportional to 54,793,841.12, 82,202,540.68 and 15,932,968.40
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Solution
The fourth proportional to 54,793,841.12, 82,202,540.68 and 15,932,968.40 is: 23,902,877.70
Step by Step Solution
- Step 1: Write the proportion equation
54,793,841.12 : 82,202,540.68 = 15,932,968.40 : x - Step 2: Convert to fraction form
54,793,841.12/82,202,540.68 = 15,932,968.40/x - Step 3: Cross multiply
54,793,841.12x = 82,202,540.68 × 15,932,968.40 - Step 4: Simplify right side
54,793,841.12x = 1,309,730,483,054,154.75 - Step 5: Solve for x
x = 1,309,730,483,054,154.75/54,793,841.12 - Step 6: Final answer
x = 23,902,877.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.