Finding the Fourth Proportional to 11,777,335.80, 16,251,603.66 and 6,883,704.60
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Solution
The fourth proportional to 11,777,335.80, 16,251,603.66 and 6,883,704.60 is: 9,498,857.87
Step by Step Solution
- Step 1: Write the proportion equation
11,777,335.80 : 16,251,603.66 = 6,883,704.60 : x - Step 2: Convert to fraction form
11,777,335.80/16,251,603.66 = 6,883,704.60/x - Step 3: Cross multiply
11,777,335.80x = 16,251,603.66 × 6,883,704.60 - Step 4: Simplify right side
11,777,335.80x = 111,871,238,871,718.83 - Step 5: Solve for x
x = 111,871,238,871,718.83/11,777,335.80 - Step 6: Final answer
x = 9,498,857.87
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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.