Finding the Fourth Proportional to 12,082,140.74, 18,122,620.62 and 4,508,516
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Solution
The fourth proportional to 12,082,140.74, 18,122,620.62 and 4,508,516 is: 6,762,553.66
Step by Step Solution
- Step 1: Write the proportion equation
12,082,140.74 : 18,122,620.62 = 4,508,516 : x - Step 2: Convert to fraction form
12,082,140.74/18,122,620.62 = 4,508,516/x - Step 3: Cross multiply
12,082,140.74x = 18,122,620.62 × 4,508,516 - Step 4: Simplify right side
12,082,140.74x = 81,706,125,027,199.92 - Step 5: Solve for x
x = 81,706,125,027,199.92/12,082,140.74 - Step 6: Final answer
x = 6,762,553.66
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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.