Finding the Fourth Proportional to 7,636,334.01, 11,451,499.38 and 2,777,487.09
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Solution
The fourth proportional to 7,636,334.01, 11,451,499.38 and 2,777,487.09 is: 4,165,138.88
Step by Step Solution
- Step 1: Write the proportion equation
7,636,334.01 : 11,451,499.38 = 2,777,487.09 : x - Step 2: Convert to fraction form
7,636,334.01/11,451,499.38 = 2,777,487.09/x - Step 3: Cross multiply
7,636,334.01x = 11,451,499.38 × 2,777,487.09 - Step 4: Simplify right side
7,636,334.01x = 31,806,391,689,093.00 - Step 5: Solve for x
x = 31,806,391,689,093.00/7,636,334.01 - Step 6: Final answer
x = 4,165,138.88
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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.