Finding the Fourth Proportional to 13,410,153.80, 20,118,229.26 and 4,890,490.26
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Solution
The fourth proportional to 13,410,153.80, 20,118,229.26 and 4,890,490.26 is: 7,336,828.92
Step by Step Solution
- Step 1: Write the proportion equation
13,410,153.80 : 20,118,229.26 = 4,890,490.26 : x - Step 2: Convert to fraction form
13,410,153.80/20,118,229.26 = 4,890,490.26/x - Step 3: Cross multiply
13,410,153.80x = 20,118,229.26 × 4,890,490.26 - Step 4: Simplify right side
13,410,153.80x = 98,388,004,244,477.02 - Step 5: Solve for x
x = 98,388,004,244,477.02/13,410,153.80 - Step 6: Final answer
x = 7,336,828.92
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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.