Finding the Fourth Proportional to 5,100,017.29, 7,038,149.99 and 2,777,037.13
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Solution
The fourth proportional to 5,100,017.29, 7,038,149.99 and 2,777,037.13 is: 3,832,379.92
Step by Step Solution
- Step 1: Write the proportion equation
5,100,017.29 : 7,038,149.99 = 2,777,037.13 : x - Step 2: Convert to fraction form
5,100,017.29/7,038,149.99 = 2,777,037.13/x - Step 3: Cross multiply
5,100,017.29x = 7,038,149.99 × 2,777,037.13 - Step 4: Simplify right side
5,100,017.29x = 19,545,203,848,739.13 - Step 5: Solve for x
x = 19,545,203,848,739.13/5,100,017.29 - Step 6: Final answer
x = 3,832,379.92
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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.