Finding the Fourth Proportional to 8,670,310.37, 13,007,290.49 and 3,278,840.21
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Solution
The fourth proportional to 8,670,310.37, 13,007,290.49 and 3,278,840.21 is: 4,918,950.45
Step by Step Solution
- Step 1: Write the proportion equation
8,670,310.37 : 13,007,290.49 = 3,278,840.21 : x - Step 2: Convert to fraction form
8,670,310.37/13,007,290.49 = 3,278,840.21/x - Step 3: Cross multiply
8,670,310.37x = 13,007,290.49 × 3,278,840.21 - Step 4: Simplify right side
8,670,310.37x = 42,648,827,081,762.60 - Step 5: Solve for x
x = 42,648,827,081,762.60/8,670,310.37 - Step 6: Final answer
x = 4,918,950.45
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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.