Finding the Fourth Proportional to 11,936,829.24, 16,472,309.42 and 6,780,174.84
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Solution
The fourth proportional to 11,936,829.24, 16,472,309.42 and 6,780,174.84 is: 9,356,348.80
Step by Step Solution
- Step 1: Write the proportion equation
11,936,829.24 : 16,472,309.42 = 6,780,174.84 : x - Step 2: Convert to fraction form
11,936,829.24/16,472,309.42 = 6,780,174.84/x - Step 3: Cross multiply
11,936,829.24x = 16,472,309.42 × 6,780,174.84 - Step 4: Simplify right side
11,936,829.24x = 111,685,137,886,178.98 - Step 5: Solve for x
x = 111,685,137,886,178.98/11,936,829.24 - Step 6: Final answer
x = 9,356,348.80
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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.