Finding the Fourth Proportional to 29,107,163.80, 43,660,875.30 and 7,540,233.40
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Solution
The fourth proportional to 29,107,163.80, 43,660,875.30 and 7,540,233.40 is: 11,310,383.67
Step by Step Solution
- Step 1: Write the proportion equation
29,107,163.80 : 43,660,875.30 = 7,540,233.40 : x - Step 2: Convert to fraction form
29,107,163.80/43,660,875.30 = 7,540,233.40/x - Step 3: Cross multiply
29,107,163.80x = 43,660,875.30 × 7,540,233.40 - Step 4: Simplify right side
29,107,163.80x = 329,213,190,210,295 - Step 5: Solve for x
x = 329,213,190,210,295/29,107,163.80 - Step 6: Final answer
x = 11,310,383.67
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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.