Finding the Fourth Proportional to 18,289,227.66, 25,239,861.90 and 10,029,586.17
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Solution
The fourth proportional to 18,289,227.66, 25,239,861.90 and 10,029,586.17 is: 13,841,227.99
Step by Step Solution
- Step 1: Write the proportion equation
18,289,227.66 : 25,239,861.90 = 10,029,586.17 : x - Step 2: Convert to fraction form
18,289,227.66/25,239,861.90 = 10,029,586.17/x - Step 3: Cross multiply
18,289,227.66x = 25,239,861.90 × 10,029,586.17 - Step 4: Simplify right side
18,289,227.66x = 253,145,369,844,949.91 - Step 5: Solve for x
x = 253,145,369,844,949.91/18,289,227.66 - Step 6: Final answer
x = 13,841,227.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.