Finding the Fourth Proportional to 9,768,344.26, 13,481,122.08 and 5,418,832.90
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Solution
The fourth proportional to 9,768,344.26, 13,481,122.08 and 5,418,832.90 is: 7,478,437.07
Step by Step Solution
- Step 1: Write the proportion equation
9,768,344.26 : 13,481,122.08 = 5,418,832.90 : x - Step 2: Convert to fraction form
9,768,344.26/13,481,122.08 = 5,418,832.90/x - Step 3: Cross multiply
9,768,344.26x = 13,481,122.08 × 5,418,832.90 - Step 4: Simplify right side
9,768,344.26x = 73,051,947,856,020.44 - Step 5: Solve for x
x = 73,051,947,856,020.44/9,768,344.26 - Step 6: Final answer
x = 7,478,437.07
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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.