Finding the Fourth Proportional to 18,378,034.10, 27,567,051.15 and 17,496,235.70
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Solution
The fourth proportional to 18,378,034.10, 27,567,051.15 and 17,496,235.70 is: 26,244,353.55
Step by Step Solution
- Step 1: Write the proportion equation
18,378,034.10 : 27,567,051.15 = 17,496,235.70 : x - Step 2: Convert to fraction form
18,378,034.10/27,567,051.15 = 17,496,235.70/x - Step 3: Cross multiply
18,378,034.10x = 27,567,051.15 × 17,496,235.70 - Step 4: Simplify right side
18,378,034.10x = 482,319,624,474,356 - Step 5: Solve for x
x = 482,319,624,474,356/18,378,034.10 - Step 6: Final answer
x = 26,244,353.55
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1.5x scale
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.