Finding the Fourth Proportional to 13,017,392.24, 17,965,832.49 and 8,057,425.60
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Solution
The fourth proportional to 13,017,392.24, 17,965,832.49 and 8,057,425.60 is: 11,120,380.79
Step by Step Solution
- Step 1: Write the proportion equation
13,017,392.24 : 17,965,832.49 = 8,057,425.60 : x - Step 2: Convert to fraction form
13,017,392.24/17,965,832.49 = 8,057,425.60/x - Step 3: Cross multiply
13,017,392.24x = 17,965,832.49 × 8,057,425.60 - Step 4: Simplify right side
13,017,392.24x = 144,758,358,630,237.72 - Step 5: Solve for x
x = 144,758,358,630,237.72/13,017,392.24 - Step 6: Final answer
x = 11,120,380.79
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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.