Finding the Fourth Proportional to 8,072,201.18, 12,115,297.57 and 4,236,732.86
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Solution
The fourth proportional to 8,072,201.18, 12,115,297.57 and 4,236,732.86 is: 6,358,771.07
Step by Step Solution
- Step 1: Write the proportion equation
8,072,201.18 : 12,115,297.57 = 4,236,732.86 : x - Step 2: Convert to fraction form
8,072,201.18/12,115,297.57 = 4,236,732.86/x - Step 3: Cross multiply
8,072,201.18x = 12,115,297.57 × 4,236,732.86 - Step 4: Simplify right side
8,072,201.18x = 51,329,279,323,497.16 - Step 5: Solve for x
x = 51,329,279,323,497.16/8,072,201.18 - Step 6: Final answer
x = 6,358,771.07
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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.