Finding the Fourth Proportional to 11,936,830.24, 16,472,310.80 and 6,780,175.84
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Solution
The fourth proportional to 11,936,830.24, 16,472,310.80 and 6,780,175.84 is: 9,356,350.18
Step by Step Solution
- Step 1: Write the proportion equation
11,936,830.24 : 16,472,310.80 = 6,780,175.84 : x - Step 2: Convert to fraction form
11,936,830.24/16,472,310.80 = 6,780,175.84/x - Step 3: Cross multiply
11,936,830.24x = 16,472,310.80 × 6,780,175.84 - Step 4: Simplify right side
11,936,830.24x = 111,685,163,715,131.08 - Step 5: Solve for x
x = 111,685,163,715,131.08/11,936,830.24 - Step 6: Final answer
x = 9,356,350.18
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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.