Finding the Fourth Proportional to 10,867,438.70, 16,301,041.80 and 2,780,350.10
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Solution
The fourth proportional to 10,867,438.70, 16,301,041.80 and 2,780,350.10 is: 4,170,495.41
Step by Step Solution
- Step 1: Write the proportion equation
10,867,438.70 : 16,301,041.80 = 2,780,350.10 : x - Step 2: Convert to fraction form
10,867,438.70/16,301,041.80 = 2,780,350.10/x - Step 3: Cross multiply
10,867,438.70x = 16,301,041.80 × 2,780,350.10 - Step 4: Simplify right side
10,867,438.70x = 45,322,603,198,734.18 - Step 5: Solve for x
x = 45,322,603,198,734.18/10,867,438.70 - Step 6: Final answer
x = 4,170,495.41
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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.