Finding the Fourth Proportional to 8,408,136.99, 11,603,228.93 and 4,540,657.80
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Solution
The fourth proportional to 8,408,136.99, 11,603,228.93 and 4,540,657.80 is: 6,266,107.70
Step by Step Solution
- Step 1: Write the proportion equation
8,408,136.99 : 11,603,228.93 = 4,540,657.80 : x - Step 2: Convert to fraction form
8,408,136.99/11,603,228.93 = 4,540,657.80/x - Step 3: Cross multiply
8,408,136.99x = 11,603,228.93 × 4,540,657.80 - Step 4: Simplify right side
8,408,136.99x = 52,686,291,946,190.15 - Step 5: Solve for x
x = 52,686,291,946,190.15/8,408,136.99 - Step 6: Final answer
x = 6,266,107.70
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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.