Finding the Fourth Proportional to 8,187,745.08, 11,298,576.78 and 4,516,704.12
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Solution
The fourth proportional to 8,187,745.08, 11,298,576.78 and 4,516,704.12 is: 6,232,769.56
Step by Step Solution
- Step 1: Write the proportion equation
8,187,745.08 : 11,298,576.78 = 4,516,704.12 : x - Step 2: Convert to fraction form
8,187,745.08/11,298,576.78 = 4,516,704.12/x - Step 3: Cross multiply
8,187,745.08x = 11,298,576.78 × 4,516,704.12 - Step 4: Simplify right side
8,187,745.08x = 51,032,328,292,362.33 - Step 5: Solve for x
x = 51,032,328,292,362.33/8,187,745.08 - Step 6: Final answer
x = 6,232,769.56
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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.