Finding the Fourth Proportional to 28,135,340.37, 42,202,223.24 and 8,967,247.65
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Solution
The fourth proportional to 28,135,340.37, 42,202,223.24 and 8,967,247.65 is: 13,450,620.54
Step by Step Solution
- Step 1: Write the proportion equation
28,135,340.37 : 42,202,223.24 = 8,967,247.65 : x - Step 2: Convert to fraction form
28,135,340.37/42,202,223.24 = 8,967,247.65/x - Step 3: Cross multiply
28,135,340.37x = 42,202,223.24 × 8,967,247.65 - Step 4: Simplify right side
28,135,340.37x = 378,437,787,128,829.19 - Step 5: Solve for x
x = 378,437,787,128,829.19/28,135,340.37 - Step 6: Final answer
x = 13,450,620.54
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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.