Finding the Fourth Proportional to 7,183,005.42, 10,765,151.37 and 2,918,187.75
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Solution
The fourth proportional to 7,183,005.42, 10,765,151.37 and 2,918,187.75 is: 4,373,480.32
Step by Step Solution
- Step 1: Write the proportion equation
7,183,005.42 : 10,765,151.37 = 2,918,187.75 : x - Step 2: Convert to fraction form
7,183,005.42/10,765,151.37 = 2,918,187.75/x - Step 3: Cross multiply
7,183,005.42x = 10,765,151.37 × 2,918,187.75 - Step 4: Simplify right side
7,183,005.42x = 31,414,732,854,829.71 - Step 5: Solve for x
x = 31,414,732,854,829.71/7,183,005.42 - Step 6: Final answer
x = 4,373,480.32
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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.