Finding the Fourth Proportional to 7,205,257.56, 9,941,940.90 and 4,107,649.08
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Solution
The fourth proportional to 7,205,257.56, 9,941,940.90 and 4,107,649.08 is: 5,667,806.33
Step by Step Solution
- Step 1: Write the proportion equation
7,205,257.56 : 9,941,940.90 = 4,107,649.08 : x - Step 2: Convert to fraction form
7,205,257.56/9,941,940.90 = 4,107,649.08/x - Step 3: Cross multiply
7,205,257.56x = 9,941,940.90 × 4,107,649.08 - Step 4: Simplify right side
7,205,257.56x = 40,838,004,391,299.38 - Step 5: Solve for x
x = 40,838,004,391,299.38/7,205,257.56 - Step 6: Final answer
x = 5,667,806.33
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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.