Finding the Fourth Proportional to 11,473,087.28, 15,832,259.39 and 6,315,441.44
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Solution
The fourth proportional to 11,473,087.28, 15,832,259.39 and 6,315,441.44 is: 8,714,978.33
Step by Step Solution
- Step 1: Write the proportion equation
11,473,087.28 : 15,832,259.39 = 6,315,441.44 : x - Step 2: Convert to fraction form
11,473,087.28/15,832,259.39 = 6,315,441.44/x - Step 3: Cross multiply
11,473,087.28x = 15,832,259.39 × 6,315,441.44 - Step 4: Simplify right side
11,473,087.28x = 99,987,707,040,435.12 - Step 5: Solve for x
x = 99,987,707,040,435.12/11,473,087.28 - Step 6: Final answer
x = 8,714,978.33
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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.