Finding the Fourth Proportional to 14,860,542.24, 20,488,564.56 and 9,624,299.36
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Solution
The fourth proportional to 14,860,542.24, 20,488,564.56 and 9,624,299.36 is: 13,269,238.47
Step by Step Solution
- Step 1: Write the proportion equation
14,860,542.24 : 20,488,564.56 = 9,624,299.36 : x - Step 2: Convert to fraction form
14,860,542.24/20,488,564.56 = 9,624,299.36/x - Step 3: Cross multiply
14,860,542.24x = 20,488,564.56 × 9,624,299.36 - Step 4: Simplify right side
14,860,542.24x = 197,188,078,782,126.66 - Step 5: Solve for x
x = 197,188,078,782,126.66/14,860,542.24 - Step 6: Final answer
x = 13,269,238.47
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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.