Home / 20,736,829.80-31,105,244.70-18,469,348.20

Finding the Fourth Proportional to 20,736,829.80, 31,105,244.70 and 18,469,348.20

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Solution

The fourth proportional to 20,736,829.80, 31,105,244.70 and 18,469,348.20 is: 27,704,022.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,829.80 : 31,105,244.70 = 18,469,348.20 : x
  2. Step 2: Convert to fraction form
    20,736,829.80/31,105,244.70 = 18,469,348.20/x
  3. Step 3: Cross multiply
    20,736,829.80x = 31,105,244.70 × 18,469,348.20
  4. Step 4: Simplify right side
    20,736,829.80x = 574,493,595,210,504.50
  5. Step 5: Solve for x
    x = 574,493,595,210,504.50/20,736,829.80
  6. Step 6: Final answer
    x = 27,704,022.30

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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.