Finding the Fourth Proportional to 7,706,793.41, 11,561,813.36 and 2,914,376.57
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Solution
The fourth proportional to 7,706,793.41, 11,561,813.36 and 2,914,376.57 is: 4,372,178.69
Step by Step Solution
- Step 1: Write the proportion equation
7,706,793.41 : 11,561,813.36 = 2,914,376.57 : x - Step 2: Convert to fraction form
7,706,793.41/11,561,813.36 = 2,914,376.57/x - Step 3: Cross multiply
7,706,793.41x = 11,561,813.36 × 2,914,376.57 - Step 4: Simplify right side
7,706,793.41x = 33,695,477,948,525.09 - Step 5: Solve for x
x = 33,695,477,948,525.09/7,706,793.41 - Step 6: Final answer
x = 4,372,178.69
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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.