Finding the Fourth Proportional to 10,361,619.20, 15,542,428.80 and 9,731,244.80
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Solution
The fourth proportional to 10,361,619.20, 15,542,428.80 and 9,731,244.80 is: 14,596,867.20
Step by Step Solution
- Step 1: Write the proportion equation
10,361,619.20 : 15,542,428.80 = 9,731,244.80 : x - Step 2: Convert to fraction form
10,361,619.20/15,542,428.80 = 9,731,244.80/x - Step 3: Cross multiply
10,361,619.20x = 15,542,428.80 × 9,731,244.80 - Step 4: Simplify right side
10,361,619.20x = 151,247,179,439,370.25 - Step 5: Solve for x
x = 151,247,179,439,370.25/10,361,619.20 - Step 6: Final answer
x = 14,596,867.20
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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.