Finding the Fourth Proportional to 18,366,372.23, 27,553,544.15 and 5,586,544.78
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Solution
The fourth proportional to 18,366,372.23, 27,553,544.15 and 5,586,544.78 is: 8,381,029.54
Step by Step Solution
- Step 1: Write the proportion equation
18,366,372.23 : 27,553,544.15 = 5,586,544.78 : x - Step 2: Convert to fraction form
18,366,372.23/27,553,544.15 = 5,586,544.78/x - Step 3: Cross multiply
18,366,372.23x = 27,553,544.15 × 5,586,544.78 - Step 4: Simplify right side
18,366,372.23x = 153,929,108,241,682.03 - Step 5: Solve for x
x = 153,929,108,241,682.03/18,366,372.23 - Step 6: Final answer
x = 8,381,029.54
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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.