Home / 26,571,231.80-39,856,847.70-20,146,700.60

Finding the Fourth Proportional to 26,571,231.80, 39,856,847.70 and 20,146,700.60

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Solution

The fourth proportional to 26,571,231.80, 39,856,847.70 and 20,146,700.60 is: 30,220,050.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,571,231.80 : 39,856,847.70 = 20,146,700.60 : x
  2. Step 2: Convert to fraction form
    26,571,231.80/39,856,847.70 = 20,146,700.60/x
  3. Step 3: Cross multiply
    26,571,231.80x = 39,856,847.70 × 20,146,700.60
  4. Step 4: Simplify right side
    26,571,231.80x = 802,983,977,471,698.75
  5. Step 5: Solve for x
    x = 802,983,977,471,698.75/26,571,231.80
  6. Step 6: Final answer
    x = 30,220,050.90

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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.