Finding the Fourth Proportional to 19,469,481.60, 29,206,225.60 and 7,349,153.92
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Solution
The fourth proportional to 19,469,481.60, 29,206,225.60 and 7,349,153.92 is: 11,024,487.03
Step by Step Solution
- Step 1: Write the proportion equation
19,469,481.60 : 29,206,225.60 = 7,349,153.92 : x - Step 2: Convert to fraction form
19,469,481.60/29,206,225.60 = 7,349,153.92/x - Step 3: Cross multiply
19,469,481.60x = 29,206,225.60 × 7,349,153.92 - Step 4: Simplify right side
19,469,481.60x = 214,641,047,356,644.38 - Step 5: Solve for x
x = 214,641,047,356,644.38/19,469,481.60 - Step 6: Final answer
x = 11,024,487.03
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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.