Finding the Fourth Proportional to 18,214,180.84, 25,138,679.48 and 10,872,392.68
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Solution
The fourth proportional to 18,214,180.84, 25,138,679.48 and 10,872,392.68 is: 15,005,758.27
Step by Step Solution
- Step 1: Write the proportion equation
18,214,180.84 : 25,138,679.48 = 10,872,392.68 : x - Step 2: Convert to fraction form
18,214,180.84/25,138,679.48 = 10,872,392.68/x - Step 3: Cross multiply
18,214,180.84x = 25,138,679.48 × 10,872,392.68 - Step 4: Simplify right side
18,214,180.84x = 273,317,594,763,218.22 - Step 5: Solve for x
x = 273,317,594,763,218.22/18,214,180.84 - Step 6: Final answer
x = 15,005,758.27
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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.