Finding the Fourth Proportional to 11,153,539.09, 16,731,107.84 and 4,670,090.65
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Solution
The fourth proportional to 11,153,539.09, 16,731,107.84 and 4,670,090.65 is: 7,005,470.61
Step by Step Solution
- Step 1: Write the proportion equation
11,153,539.09 : 16,731,107.84 = 4,670,090.65 : x - Step 2: Convert to fraction form
11,153,539.09/16,731,107.84 = 4,670,090.65/x - Step 3: Cross multiply
11,153,539.09x = 16,731,107.84 × 4,670,090.65 - Step 4: Simplify right side
11,153,539.09x = 78,135,790,287,725.70 - Step 5: Solve for x
x = 78,135,790,287,725.70/11,153,539.09 - Step 6: Final answer
x = 7,005,470.61
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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.