Finding the Fourth Proportional to 10,485,834.36, 15,729,312.07 and 3,297,928.76
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Solution
The fourth proportional to 10,485,834.36, 15,729,312.07 and 3,297,928.76 is: 4,947,069.43
Step by Step Solution
- Step 1: Write the proportion equation
10,485,834.36 : 15,729,312.07 = 3,297,928.76 : x - Step 2: Convert to fraction form
10,485,834.36/15,729,312.07 = 3,297,928.76/x - Step 3: Cross multiply
10,485,834.36x = 15,729,312.07 × 3,297,928.76 - Step 4: Simplify right side
10,485,834.36x = 51,874,150,650,668.13 - Step 5: Solve for x
x = 51,874,150,650,668.13/10,485,834.36 - Step 6: Final answer
x = 4,947,069.43
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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.