Finding the Fourth Proportional to 13,563,396.53, 20,344,270.12 and 4,810,107.90
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Solution
The fourth proportional to 13,563,396.53, 20,344,270.12 and 4,810,107.90 is: 7,214,869.38
Step by Step Solution
- Step 1: Write the proportion equation
13,563,396.53 : 20,344,270.12 = 4,810,107.90 : x - Step 2: Convert to fraction form
13,563,396.53/20,344,270.12 = 4,810,107.90/x - Step 3: Cross multiply
13,563,396.53x = 20,344,270.12 × 4,810,107.90 - Step 4: Simplify right side
13,563,396.53x = 97,858,134,366,137 - Step 5: Solve for x
x = 97,858,134,366,137/13,563,396.53 - Step 6: Final answer
x = 7,214,869.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.