Finding the Fourth Proportional to 11,226,884.13, 15,489,563.49 and 6,871,429.89
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Solution
The fourth proportional to 11,226,884.13, 15,489,563.49 and 6,871,429.89 is: 9,480,408.66
Step by Step Solution
- Step 1: Write the proportion equation
11,226,884.13 : 15,489,563.49 = 6,871,429.89 : x - Step 2: Convert to fraction form
11,226,884.13/15,489,563.49 = 6,871,429.89/x - Step 3: Cross multiply
11,226,884.13x = 15,489,563.49 × 6,871,429.89 - Step 4: Simplify right side
11,226,884.13x = 106,435,449,548,238.72 - Step 5: Solve for x
x = 106,435,449,548,238.72/11,226,884.13 - Step 6: Final answer
x = 9,480,408.66
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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.