Finding the Fourth Proportional to 10,640,392.65, 15,962,830.97 and 3,451,366.05
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Solution
The fourth proportional to 10,640,392.65, 15,962,830.97 and 3,451,366.05 is: 5,177,776.30
Step by Step Solution
- Step 1: Write the proportion equation
10,640,392.65 : 15,962,830.97 = 3,451,366.05 : x - Step 2: Convert to fraction form
10,640,392.65/15,962,830.97 = 3,451,366.05/x - Step 3: Cross multiply
10,640,392.65x = 15,962,830.97 × 3,451,366.05 - Step 4: Simplify right side
10,640,392.65x = 55,093,572,854,489.73 - Step 5: Solve for x
x = 55,093,572,854,489.73/10,640,392.65 - Step 6: Final answer
x = 5,177,776.30
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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.