Finding the Fourth Proportional to 11,493,596.90, 15,861,287.59 and 6,266,562.51
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Solution
The fourth proportional to 11,493,596.90, 15,861,287.59 and 6,266,562.51 is: 8,647,923.80
Step by Step Solution
- Step 1: Write the proportion equation
11,493,596.90 : 15,861,287.59 = 6,266,562.51 : x - Step 2: Convert to fraction form
11,493,596.90/15,861,287.59 = 6,266,562.51/x - Step 3: Cross multiply
11,493,596.90x = 15,861,287.59 × 6,266,562.51 - Step 4: Simplify right side
11,493,596.90x = 99,395,750,171,822.25 - Step 5: Solve for x
x = 99,395,750,171,822.25/11,493,596.90 - Step 6: Final answer
x = 8,647,923.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.