Finding the Fourth Proportional to 11,939,396.80, 16,476,423.06 and 6,783,041.20
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Solution
The fourth proportional to 11,939,396.80, 16,476,423.06 and 6,783,041.20 is: 9,360,628.37
Step by Step Solution
- Step 1: Write the proportion equation
11,939,396.80 : 16,476,423.06 = 6,783,041.20 : x - Step 2: Convert to fraction form
11,939,396.80/16,476,423.06 = 6,783,041.20/x - Step 3: Cross multiply
11,939,396.80x = 16,476,423.06 × 6,783,041.20 - Step 4: Simplify right side
11,939,396.80x = 111,760,256,444,610.08 - Step 5: Solve for x
x = 111,760,256,444,610.08/11,939,396.80 - Step 6: Final answer
x = 9,360,628.37
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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.