Finding the Fourth Proportional to 11,723,809.79, 16,179,755.06 and 7,376,622.41
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Solution
The fourth proportional to 11,723,809.79, 16,179,755.06 and 7,376,622.41 is: 10,180,303.67
Step by Step Solution
- Step 1: Write the proportion equation
11,723,809.79 : 16,179,755.06 = 7,376,622.41 : x - Step 2: Convert to fraction form
11,723,809.79/16,179,755.06 = 7,376,622.41/x - Step 3: Cross multiply
11,723,809.79x = 16,179,755.06 × 7,376,622.41 - Step 4: Simplify right side
11,723,809.79x = 119,351,943,822,797.83 - Step 5: Solve for x
x = 119,351,943,822,797.83/11,723,809.79 - Step 6: Final answer
x = 10,180,303.67
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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.