Finding the Fourth Proportional to 10,530,465.68, 15,795,698.70 and 2,552,289.68
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Solution
The fourth proportional to 10,530,465.68, 15,795,698.70 and 2,552,289.68 is: 3,828,434.56
Step by Step Solution
- Step 1: Write the proportion equation
10,530,465.68 : 15,795,698.70 = 2,552,289.68 : x - Step 2: Convert to fraction form
10,530,465.68/15,795,698.70 = 2,552,289.68/x - Step 3: Cross multiply
10,530,465.68x = 15,795,698.70 × 2,552,289.68 - Step 4: Simplify right side
10,530,465.68x = 40,315,198,780,399.41 - Step 5: Solve for x
x = 40,315,198,780,399.41/10,530,465.68 - Step 6: Final answer
x = 3,828,434.56
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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.