Finding the Fourth Proportional to 8,468,310.24, 12,702,445.92 and 3,675,378.24
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Solution
The fourth proportional to 8,468,310.24, 12,702,445.92 and 3,675,378.24 is: 5,513,058.92
Step by Step Solution
- Step 1: Write the proportion equation
8,468,310.24 : 12,702,445.92 = 3,675,378.24 : x - Step 2: Convert to fraction form
8,468,310.24/12,702,445.92 = 3,675,378.24/x - Step 3: Cross multiply
8,468,310.24x = 12,702,445.92 × 3,675,378.24 - Step 4: Simplify right side
8,468,310.24x = 46,686,293,329,144.78 - Step 5: Solve for x
x = 46,686,293,329,144.78/8,468,310.24 - Step 6: Final answer
x = 5,513,058.92
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1.5x scale
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.