Finding the Fourth Proportional to 8,121,684.37, 12,176,201.10 and 4,020,174.25
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Solution
The fourth proportional to 8,121,684.37, 12,176,201.10 and 4,020,174.25 is: 6,027,130.32
Step by Step Solution
- Step 1: Write the proportion equation
8,121,684.37 : 12,176,201.10 = 4,020,174.25 : x - Step 2: Convert to fraction form
8,121,684.37/12,176,201.10 = 4,020,174.25/x - Step 3: Cross multiply
8,121,684.37x = 12,176,201.10 × 4,020,174.25 - Step 4: Simplify right side
8,121,684.37x = 48,950,450,125,041.67 - Step 5: Solve for x
x = 48,950,450,125,041.67/8,121,684.37 - Step 6: Final answer
x = 6,027,130.32
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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.