Finding the Fourth Proportional to 54,475,209.78, 81,728,734.44 and 17,586,234.21
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Solution
The fourth proportional to 54,475,209.78, 81,728,734.44 and 17,586,234.21 is: 26,384,490.70
Step by Step Solution
- Step 1: Write the proportion equation
54,475,209.78 : 81,728,734.44 = 17,586,234.21 : x - Step 2: Convert to fraction form
54,475,209.78/81,728,734.44 = 17,586,234.21/x - Step 3: Cross multiply
54,475,209.78x = 81,728,734.44 × 17,586,234.21 - Step 4: Simplify right side
54,475,209.78x = 1,437,300,665,642,035 - Step 5: Solve for x
x = 1,437,300,665,642,035/54,475,209.78 - Step 6: Final answer
x = 26,384,490.70
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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.