Finding the Fourth Proportional to 11,936,826.24, 16,472,305.28 and 6,780,171.84
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Solution
The fourth proportional to 11,936,826.24, 16,472,305.28 and 6,780,171.84 is: 9,356,344.66
Step by Step Solution
- Step 1: Write the proportion equation
11,936,826.24 : 16,472,305.28 = 6,780,171.84 : x - Step 2: Convert to fraction form
11,936,826.24/16,472,305.28 = 6,780,171.84/x - Step 3: Cross multiply
11,936,826.24x = 16,472,305.28 × 6,780,171.84 - Step 4: Simplify right side
11,936,826.24x = 111,685,060,399,339.31 - Step 5: Solve for x
x = 111,685,060,399,339.31/11,936,826.24 - Step 6: Final answer
x = 9,356,344.66
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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.