Finding the Fourth Proportional to 8,969,276.16, 13,455,684.79 and 3,289,549.68
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Solution
The fourth proportional to 8,969,276.16, 13,455,684.79 and 3,289,549.68 is: 4,934,973.88
Step by Step Solution
- Step 1: Write the proportion equation
8,969,276.16 : 13,455,684.79 = 3,289,549.68 : x - Step 2: Convert to fraction form
8,969,276.16/13,455,684.79 = 3,289,549.68/x - Step 3: Cross multiply
8,969,276.16x = 13,455,684.79 × 3,289,549.68 - Step 4: Simplify right side
8,969,276.16x = 44,263,143,595,125.37 - Step 5: Solve for x
x = 44,263,143,595,125.37/8,969,276.16 - Step 6: Final answer
x = 4,934,973.88
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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.