Finding the Fourth Proportional to 13,319,294.97, 18,380,626.88 and 7,207,723.47
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Solution
The fourth proportional to 13,319,294.97, 18,380,626.88 and 7,207,723.47 is: 9,946,658.29
Step by Step Solution
- Step 1: Write the proportion equation
13,319,294.97 : 18,380,626.88 = 7,207,723.47 : x - Step 2: Convert to fraction form
13,319,294.97/18,380,626.88 = 7,207,723.47/x - Step 3: Cross multiply
13,319,294.97x = 18,380,626.88 × 7,207,723.47 - Step 4: Simplify right side
13,319,294.97x = 132,482,475,720,250.25 - Step 5: Solve for x
x = 132,482,475,720,250.25/13,319,294.97 - Step 6: Final answer
x = 9,946,658.29
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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.