Finding the Fourth Proportional to 29,135,321.70, 43,702,982.55 and 9,964,371.30
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Solution
The fourth proportional to 29,135,321.70, 43,702,982.55 and 9,964,371.30 is: 14,946,556.95
Step by Step Solution
- Step 1: Write the proportion equation
29,135,321.70 : 43,702,982.55 = 9,964,371.30 : x - Step 2: Convert to fraction form
29,135,321.70/43,702,982.55 = 9,964,371.30/x - Step 3: Cross multiply
29,135,321.70x = 43,702,982.55 × 9,964,371.30 - Step 4: Simplify right side
29,135,321.70x = 435,472,745,045,620.81 - Step 5: Solve for x
x = 435,472,745,045,620.81/29,135,321.70 - Step 6: Final answer
x = 14,946,556.95
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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.