Finding the Fourth Proportional to 10,106,297.06, 15,157,817.49 and 2,819,945.30
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Solution
The fourth proportional to 10,106,297.06, 15,157,817.49 and 2,819,945.30 is: 4,229,463.66
Step by Step Solution
- Step 1: Write the proportion equation
10,106,297.06 : 15,157,817.49 = 2,819,945.30 : x - Step 2: Convert to fraction form
10,106,297.06/15,157,817.49 = 2,819,945.30/x - Step 3: Cross multiply
10,106,297.06x = 15,157,817.49 × 2,819,945.30 - Step 4: Simplify right side
10,106,297.06x = 42,744,216,189,183.30 - Step 5: Solve for x
x = 42,744,216,189,183.30/10,106,297.06 - Step 6: Final answer
x = 4,229,463.66
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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.