Finding the Fourth Proportional to 7,783,887.30, 11,677,758.12 and 2,318,957.70
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Solution
The fourth proportional to 7,783,887.30, 11,677,758.12 and 2,318,957.70 is: 3,479,010.69
Step by Step Solution
- Step 1: Write the proportion equation
7,783,887.30 : 11,677,758.12 = 2,318,957.70 : x - Step 2: Convert to fraction form
7,783,887.30/11,677,758.12 = 2,318,957.70/x - Step 3: Cross multiply
7,783,887.30x = 11,677,758.12 × 2,318,957.70 - Step 4: Simplify right side
7,783,887.30x = 27,080,227,111,111.52 - Step 5: Solve for x
x = 27,080,227,111,111.52/7,783,887.30 - Step 6: Final answer
x = 3,479,010.69
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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.