Finding the Fourth Proportional to 13,801,546.76, 19,046,208.38 and 7,920,711.99
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Solution
The fourth proportional to 13,801,546.76, 19,046,208.38 and 7,920,711.99 is: 10,930,624.93
Step by Step Solution
- Step 1: Write the proportion equation
13,801,546.76 : 19,046,208.38 = 7,920,711.99 : x - Step 2: Convert to fraction form
13,801,546.76/19,046,208.38 = 7,920,711.99/x - Step 3: Cross multiply
13,801,546.76x = 19,046,208.38 × 7,920,711.99 - Step 4: Simplify right side
13,801,546.76x = 150,859,531,039,900.91 - Step 5: Solve for x
x = 150,859,531,039,900.91/13,801,546.76 - Step 6: Final answer
x = 10,930,624.93
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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.