Finding the Fourth Proportional to 8,649,815.40, 11,936,535.12 and 4,782,237.12
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Solution
The fourth proportional to 8,649,815.40, 11,936,535.12 and 4,782,237.12 is: 6,599,371.05
Step by Step Solution
- Step 1: Write the proportion equation
8,649,815.40 : 11,936,535.12 = 4,782,237.12 : x - Step 2: Convert to fraction form
8,649,815.40/11,936,535.12 = 4,782,237.12/x - Step 3: Cross multiply
8,649,815.40x = 11,936,535.12 × 4,782,237.12 - Step 4: Simplify right side
8,649,815.40x = 57,083,341,335,047.65 - Step 5: Solve for x
x = 57,083,341,335,047.65/8,649,815.40 - Step 6: Final answer
x = 6,599,371.05
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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.