Finding the Fourth Proportional to 11,936,828.24, 16,472,308.04 and 6,780,173.84
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Solution
The fourth proportional to 11,936,828.24, 16,472,308.04 and 6,780,173.84 is: 9,356,347.42
Step by Step Solution
- Step 1: Write the proportion equation
11,936,828.24 : 16,472,308.04 = 6,780,173.84 : x - Step 2: Convert to fraction form
11,936,828.24/16,472,308.04 = 6,780,173.84/x - Step 3: Cross multiply
11,936,828.24x = 16,472,308.04 × 6,780,173.84 - Step 4: Simplify right side
11,936,828.24x = 111,685,112,057,229.67 - Step 5: Solve for x
x = 111,685,112,057,229.67/11,936,828.24 - Step 6: Final answer
x = 9,356,347.42
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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.