Finding the Fourth Proportional to 7,887,704.37, 11,832,863.91 and 2,768,806.09
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Solution
The fourth proportional to 7,887,704.37, 11,832,863.91 and 2,768,806.09 is: 4,153,668.05
Step by Step Solution
- Step 1: Write the proportion equation
7,887,704.37 : 11,832,863.91 = 2,768,806.09 : x - Step 2: Convert to fraction form
7,887,704.37/11,832,863.91 = 2,768,806.09/x - Step 3: Cross multiply
7,887,704.37x = 11,832,863.91 × 2,768,806.09 - Step 4: Simplify right side
7,887,704.37x = 32,762,905,642,305.18 - Step 5: Solve for x
x = 32,762,905,642,305.18/7,887,704.37 - Step 6: Final answer
x = 4,153,668.05
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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.