Finding the Fourth Proportional to 11,768,873.70, 16,241,239.94 and 6,470,792.49
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Solution
The fourth proportional to 11,768,873.70, 16,241,239.94 and 6,470,792.49 is: 8,929,800.43
Step by Step Solution
- Step 1: Write the proportion equation
11,768,873.70 : 16,241,239.94 = 6,470,792.49 : x - Step 2: Convert to fraction form
11,768,873.70/16,241,239.94 = 6,470,792.49/x - Step 3: Cross multiply
11,768,873.70x = 16,241,239.94 × 6,470,792.49 - Step 4: Simplify right side
11,768,873.70x = 105,093,693,432,040.05 - Step 5: Solve for x
x = 105,093,693,432,040.05/11,768,873.70 - Step 6: Final answer
x = 8,929,800.43
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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.