Finding the Fourth Proportional to 12,950,757.49, 17,871,575.93 and 7,149,414.37
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Solution
The fourth proportional to 12,950,757.49, 17,871,575.93 and 7,149,414.37 is: 9,865,932.69
Step by Step Solution
- Step 1: Write the proportion equation
12,950,757.49 : 17,871,575.93 = 7,149,414.37 : x - Step 2: Convert to fraction form
12,950,757.49/17,871,575.93 = 7,149,414.37/x - Step 3: Cross multiply
12,950,757.49x = 17,871,575.93 × 7,149,414.37 - Step 4: Simplify right side
12,950,757.49x = 127,771,301,732,741.05 - Step 5: Solve for x
x = 127,771,301,732,741.05/12,950,757.49 - Step 6: Final answer
x = 9,865,932.69
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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.