Finding the Fourth Proportional to 6,418,229.36, 9,605,643.68 and 6,245,512.16
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Solution
The fourth proportional to 6,418,229.36, 9,605,643.68 and 6,245,512.16 is: 9,347,151.85
Step by Step Solution
- Step 1: Write the proportion equation
6,418,229.36 : 9,605,643.68 = 6,245,512.16 : x - Step 2: Convert to fraction form
6,418,229.36/9,605,643.68 = 6,245,512.16/x - Step 3: Cross multiply
6,418,229.36x = 9,605,643.68 × 6,245,512.16 - Step 4: Simplify right side
6,418,229.36x = 59,992,164,408,067.15 - Step 5: Solve for x
x = 59,992,164,408,067.15/6,418,229.36 - Step 6: Final answer
x = 9,347,151.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.