Finding the Fourth Proportional to 15,416,107.98, 23,122,532.49 and 8,126,647.33
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Solution
The fourth proportional to 15,416,107.98, 23,122,532.49 and 8,126,647.33 is: 12,189,112.01
Step by Step Solution
- Step 1: Write the proportion equation
15,416,107.98 : 23,122,532.49 = 8,126,647.33 : x - Step 2: Convert to fraction form
15,416,107.98/23,122,532.49 = 8,126,647.33/x - Step 3: Cross multiply
15,416,107.98x = 23,122,532.49 × 8,126,647.33 - Step 4: Simplify right side
15,416,107.98x = 187,908,666,900,622.38 - Step 5: Solve for x
x = 187,908,666,900,622.38/15,416,107.98 - Step 6: Final answer
x = 12,189,112.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.