Finding the Fourth Proportional to 13,192,147.04, 18,207,084.84 and 7,391,320.88
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Solution
The fourth proportional to 13,192,147.04, 18,207,084.84 and 7,391,320.88 is: 10,201,099.63
Step by Step Solution
- Step 1: Write the proportion equation
13,192,147.04 : 18,207,084.84 = 7,391,320.88 : x - Step 2: Convert to fraction form
13,192,147.04/18,207,084.84 = 7,391,320.88/x - Step 3: Cross multiply
13,192,147.04x = 18,207,084.84 × 7,391,320.88 - Step 4: Simplify right side
13,192,147.04x = 134,574,406,341,823.45 - Step 5: Solve for x
x = 134,574,406,341,823.45/13,192,147.04 - Step 6: Final answer
x = 10,201,099.63
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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.