Finding the Fourth Proportional to 8,408,125.76, 11,603,213.40 and 4,540,646.80
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Solution
The fourth proportional to 8,408,125.76, 11,603,213.40 and 4,540,646.80 is: 6,266,092.50
Step by Step Solution
- Step 1: Write the proportion equation
8,408,125.76 : 11,603,213.40 = 4,540,646.80 : x - Step 2: Convert to fraction form
8,408,125.76/11,603,213.40 = 4,540,646.80/x - Step 3: Cross multiply
8,408,125.76x = 11,603,213.40 × 4,540,646.80 - Step 4: Simplify right side
8,408,125.76x = 52,686,093,736,411.05 - Step 5: Solve for x
x = 52,686,093,736,411.05/8,408,125.76 - Step 6: Final answer
x = 6,266,092.50
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1.5x scale
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.