Finding the Fourth Proportional to 17,393,106.80, 26,089,660.20 and 12,291,273.20
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Solution
The fourth proportional to 17,393,106.80, 26,089,660.20 and 12,291,273.20 is: 18,436,909.80
Step by Step Solution
- Step 1: Write the proportion equation
17,393,106.80 : 26,089,660.20 = 12,291,273.20 : x - Step 2: Convert to fraction form
17,393,106.80/26,089,660.20 = 12,291,273.20/x - Step 3: Cross multiply
17,393,106.80x = 26,089,660.20 × 12,291,273.20 - Step 4: Simplify right side
17,393,106.80x = 320,675,141,213,366.62 - Step 5: Solve for x
x = 320,675,141,213,366.62/17,393,106.80 - Step 6: Final answer
x = 18,436,909.80
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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.