Finding the Fourth Proportional to 9,576,882.36, 13,216,378.05 and 5,226,249.09
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Solution
The fourth proportional to 9,576,882.36, 13,216,378.05 and 5,226,249.09 is: 7,212,376.76
Step by Step Solution
- Step 1: Write the proportion equation
9,576,882.36 : 13,216,378.05 = 5,226,249.09 : x - Step 2: Convert to fraction form
9,576,882.36/13,216,378.05 = 5,226,249.09/x - Step 3: Cross multiply
9,576,882.36x = 13,216,378.05 × 5,226,249.09 - Step 4: Simplify right side
9,576,882.36x = 69,072,083,769,974.09 - Step 5: Solve for x
x = 69,072,083,769,974.09/9,576,882.36 - Step 6: Final answer
x = 7,212,376.76
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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.