Finding the Fourth Proportional to 18,451,533.55, 25,463,115.32 and 9,964,672.49
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Solution
The fourth proportional to 18,451,533.55, 25,463,115.32 and 9,964,672.49 is: 13,751,247.50
Step by Step Solution
- Step 1: Write the proportion equation
18,451,533.55 : 25,463,115.32 = 9,964,672.49 : x - Step 2: Convert to fraction form
18,451,533.55/25,463,115.32 = 9,964,672.49/x - Step 3: Cross multiply
18,451,533.55x = 25,463,115.32 × 9,964,672.49 - Step 4: Simplify right side
18,451,533.55x = 253,731,604,624,041.78 - Step 5: Solve for x
x = 253,731,604,624,041.78/18,451,533.55 - Step 6: Final answer
x = 13,751,247.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.