Finding the Fourth Proportional to 11,162,505.24, 15,405,941.70 and 6,814,122.84
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Solution
The fourth proportional to 11,162,505.24, 15,405,941.70 and 6,814,122.84 is: 9,404,517.80
Step by Step Solution
- Step 1: Write the proportion equation
11,162,505.24 : 15,405,941.70 = 6,814,122.84 : x - Step 2: Convert to fraction form
11,162,505.24/15,405,941.70 = 6,814,122.84/x - Step 3: Cross multiply
11,162,505.24x = 15,405,941.70 × 6,814,122.84 - Step 4: Simplify right side
11,162,505.24x = 104,977,979,209,678.42 - Step 5: Solve for x
x = 104,977,979,209,678.42/11,162,505.24 - Step 6: Final answer
x = 9,404,517.80
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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.