Finding the Fourth Proportional to 11,287,475.37, 16,931,564.19 and 5,370,745.05
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Solution
The fourth proportional to 11,287,475.37, 16,931,564.19 and 5,370,745.05 is: 8,056,284.65
Step by Step Solution
- Step 1: Write the proportion equation
11,287,475.37 : 16,931,564.19 = 5,370,745.05 : x - Step 2: Convert to fraction form
11,287,475.37/16,931,564.19 = 5,370,745.05/x - Step 3: Cross multiply
11,287,475.37x = 16,931,564.19 × 5,370,745.05 - Step 4: Simplify right side
11,287,475.37x = 90,935,114,562,199.77 - Step 5: Solve for x
x = 90,935,114,562,199.77/11,287,475.37 - Step 6: Final answer
x = 8,056,284.65
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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.