Finding the Fourth Proportional to 7,516,745.24, 10,373,136.63 and 4,078,986.98
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Solution
The fourth proportional to 7,516,745.24, 10,373,136.63 and 4,078,986.98 is: 5,629,017.33
Step by Step Solution
- Step 1: Write the proportion equation
7,516,745.24 : 10,373,136.63 = 4,078,986.98 : x - Step 2: Convert to fraction form
7,516,745.24/10,373,136.63 = 4,078,986.98/x - Step 3: Cross multiply
7,516,745.24x = 10,373,136.63 × 4,078,986.98 - Step 4: Simplify right side
7,516,745.24x = 42,311,889,255,531.08 - Step 5: Solve for x
x = 42,311,889,255,531.08/7,516,745.24 - Step 6: Final answer
x = 5,629,017.33
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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.