Finding the Fourth Proportional to 11,863,281.94, 16,371,205.97 and 6,636,222.26
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Solution
The fourth proportional to 11,863,281.94, 16,371,205.97 and 6,636,222.26 is: 9,157,917.85
Step by Step Solution
- Step 1: Write the proportion equation
11,863,281.94 : 16,371,205.97 = 6,636,222.26 : x - Step 2: Convert to fraction form
11,863,281.94/16,371,205.97 = 6,636,222.26/x - Step 3: Cross multiply
11,863,281.94x = 16,371,205.97 × 6,636,222.26 - Step 4: Simplify right side
11,863,281.94x = 108,642,961,481,158.89 - Step 5: Solve for x
x = 108,642,961,481,158.89/11,863,281.94 - Step 6: Final answer
x = 9,157,917.85
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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.