Finding the Fourth Proportional to 11,078,735.05, 15,291,205.28 and 6,496,532.65
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Solution
The fourth proportional to 11,078,735.05, 15,291,205.28 and 6,496,532.65 is: 8,966,710.90
Step by Step Solution
- Step 1: Write the proportion equation
11,078,735.05 : 15,291,205.28 = 6,496,532.65 : x - Step 2: Convert to fraction form
11,078,735.05/15,291,205.28 = 6,496,532.65/x - Step 3: Cross multiply
11,078,735.05x = 15,291,205.28 × 6,496,532.65 - Step 4: Simplify right side
11,078,735.05x = 99,339,814,359,372.39 - Step 5: Solve for x
x = 99,339,814,359,372.39/11,078,735.05 - Step 6: Final answer
x = 8,966,710.90
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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.