Finding the Fourth Proportional to 47,953,743.14, 71,912,757.86 and 17,239,941.60
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Solution
The fourth proportional to 47,953,743.14, 71,912,757.86 and 17,239,941.60 is: 25,853,492.65
Step by Step Solution
- Step 1: Write the proportion equation
47,953,743.14 : 71,912,757.86 = 17,239,941.60 : x - Step 2: Convert to fraction form
47,953,743.14/71,912,757.86 = 17,239,941.60/x - Step 3: Cross multiply
47,953,743.14x = 71,912,757.86 × 17,239,941.60 - Step 4: Simplify right side
47,953,743.14x = 1,239,771,745,801,341 - Step 5: Solve for x
x = 1,239,771,745,801,341/47,953,743.14 - Step 6: Final answer
x = 25,853,492.65
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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.