Finding the Fourth Proportional to 12,737,434.21, 17,577,484.25 and 7,230,760.99
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Solution
The fourth proportional to 12,737,434.21, 17,577,484.25 and 7,230,760.99 is: 9,978,350.84
Step by Step Solution
- Step 1: Write the proportion equation
12,737,434.21 : 17,577,484.25 = 7,230,760.99 : x - Step 2: Convert to fraction form
12,737,434.21/17,577,484.25 = 7,230,760.99/x - Step 3: Cross multiply
12,737,434.21x = 17,577,484.25 × 7,230,760.99 - Step 4: Simplify right side
12,737,434.21x = 127,098,587,337,141.89 - Step 5: Solve for x
x = 127,098,587,337,141.89/12,737,434.21 - Step 6: Final answer
x = 9,978,350.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.