Finding the Fourth Proportional to 8,497,340.34, 12,751,897.01 and 3,379,245.81
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Solution
The fourth proportional to 8,497,340.34, 12,751,897.01 and 3,379,245.81 is: 5,071,209.67
Step by Step Solution
- Step 1: Write the proportion equation
8,497,340.34 : 12,751,897.01 = 3,379,245.81 : x - Step 2: Convert to fraction form
8,497,340.34/12,751,897.01 = 3,379,245.81/x - Step 3: Cross multiply
8,497,340.34x = 12,751,897.01 × 3,379,245.81 - Step 4: Simplify right side
8,497,340.34x = 43,091,794,523,697.80 - Step 5: Solve for x
x = 43,091,794,523,697.80/8,497,340.34 - Step 6: Final answer
x = 5,071,209.67
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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.