Finding the Fourth Proportional to 21,533,638.05, 32,307,455.46 and 14,374,274.85
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Solution
The fourth proportional to 21,533,638.05, 32,307,455.46 and 14,374,274.85 is: 21,566,083.88
Step by Step Solution
- Step 1: Write the proportion equation
21,533,638.05 : 32,307,455.46 = 14,374,274.85 : x - Step 2: Convert to fraction form
21,533,638.05/32,307,455.46 = 14,374,274.85/x - Step 3: Cross multiply
21,533,638.05x = 32,307,455.46 × 14,374,274.85 - Step 4: Simplify right side
21,533,638.05x = 464,396,244,414,301.75 - Step 5: Solve for x
x = 464,396,244,414,301.75/21,533,638.05 - Step 6: Final answer
x = 21,566,083.88
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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.