Finding the Fourth Proportional to 11,422,917.76, 15,763,748.16 and 6,266,289.28
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Solution
The fourth proportional to 11,422,917.76, 15,763,748.16 and 6,266,289.28 is: 8,647,545.94
Step by Step Solution
- Step 1: Write the proportion equation
11,422,917.76 : 15,763,748.16 = 6,266,289.28 : x - Step 2: Convert to fraction form
11,422,917.76/15,763,748.16 = 6,266,289.28/x - Step 3: Cross multiply
11,422,917.76x = 15,763,748.16 × 6,266,289.28 - Step 4: Simplify right side
11,422,917.76x = 98,780,206,107,627.73 - Step 5: Solve for x
x = 98,780,206,107,627.73/11,422,917.76 - Step 6: Final answer
x = 8,647,545.94
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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.