Home / 31,984,693.13-47,977,180.31-10,125,179.80

Finding the Fourth Proportional to 31,984,693.13, 47,977,180.31 and 10,125,179.80

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Solution

The fourth proportional to 31,984,693.13, 47,977,180.31 and 10,125,179.80 is: 15,187,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,984,693.13 : 47,977,180.31 = 10,125,179.80 : x
  2. Step 2: Convert to fraction form
    31,984,693.13/47,977,180.31 = 10,125,179.80/x
  3. Step 3: Cross multiply
    31,984,693.13x = 47,977,180.31 × 10,125,179.80
  4. Step 4: Simplify right side
    31,984,693.13x = 485,777,576,765,200.88
  5. Step 5: Solve for x
    x = 485,777,576,765,200.88/31,984,693.13
  6. Step 6: Final answer
    x = 15,187,814.21

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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.