Finding the Fourth Proportional to 10,378,327.40, 15,567,546.53 and 6,806,711.73
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Solution
The fourth proportional to 10,378,327.40, 15,567,546.53 and 6,806,711.73 is: 10,210,103.95
Step by Step Solution
- Step 1: Write the proportion equation
10,378,327.40 : 15,567,546.53 = 6,806,711.73 : x - Step 2: Convert to fraction form
10,378,327.40/15,567,546.53 = 6,806,711.73/x - Step 3: Cross multiply
10,378,327.40x = 15,567,546.53 × 6,806,711.73 - Step 4: Simplify right side
10,378,327.40x = 105,963,801,560,899.44 - Step 5: Solve for x
x = 105,963,801,560,899.44/10,378,327.40 - Step 6: Final answer
x = 10,210,103.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.