Home / 14,984,190.67-20,678,183.21-8,108,672.80

Finding the Fourth Proportional to 14,984,190.67, 20,678,183.21 and 8,108,672.80

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Solution

The fourth proportional to 14,984,190.67, 20,678,183.21 and 8,108,672.80 is: 11,189,968.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984,190.67 : 20,678,183.21 = 8,108,672.80 : x
  2. Step 2: Convert to fraction form
    14,984,190.67/20,678,183.21 = 8,108,672.80/x
  3. Step 3: Cross multiply
    14,984,190.67x = 20,678,183.21 × 8,108,672.80
  4. Step 4: Simplify right side
    14,984,190.67x = 167,672,621,748,343.69
  5. Step 5: Solve for x
    x = 167,672,621,748,343.69/14,984,190.67
  6. Step 6: Final answer
    x = 11,189,968.51

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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.