Finding the Fourth Proportional to 18,432,347, 25,436,586.18 and 10,172,349.32
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Solution
The fourth proportional to 18,432,347, 25,436,586.18 and 10,172,349.32 is: 14,037,812.99
Step by Step Solution
- Step 1: Write the proportion equation
18,432,347 : 25,436,586.18 = 10,172,349.32 : x - Step 2: Convert to fraction form
18,432,347/25,436,586.18 = 10,172,349.32/x - Step 3: Cross multiply
18,432,347x = 25,436,586.18 × 10,172,349.32 - Step 4: Simplify right side
18,432,347x = 258,749,840,131,244.41 - Step 5: Solve for x
x = 258,749,840,131,244.41/18,432,347 - Step 6: Final answer
x = 14,037,812.99
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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.