Finding the Fourth Proportional to 18,980,859.62, 26,193,449.36 and 10,278,830.36
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Solution
The fourth proportional to 18,980,859.62, 26,193,449.36 and 10,278,830.36 is: 14,184,711.75
Step by Step Solution
- Step 1: Write the proportion equation
18,980,859.62 : 26,193,449.36 = 10,278,830.36 : x - Step 2: Convert to fraction form
18,980,859.62/26,193,449.36 = 10,278,830.36/x - Step 3: Cross multiply
18,980,859.62x = 26,193,449.36 × 10,278,830.36 - Step 4: Simplify right side
18,980,859.62x = 269,238,022,332,329.19 - Step 5: Solve for x
x = 269,238,022,332,329.19/18,980,859.62 - Step 6: Final answer
x = 14,184,711.75
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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.