Home / 20,631,251.80-30,946,877.70-18,576,346.60

Finding the Fourth Proportional to 20,631,251.80, 30,946,877.70 and 18,576,346.60

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Solution

The fourth proportional to 20,631,251.80, 30,946,877.70 and 18,576,346.60 is: 27,864,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,631,251.80 : 30,946,877.70 = 18,576,346.60 : x
  2. Step 2: Convert to fraction form
    20,631,251.80/30,946,877.70 = 18,576,346.60/x
  3. Step 3: Cross multiply
    20,631,251.80x = 30,946,877.70 × 18,576,346.60
  4. Step 4: Simplify right side
    20,631,251.80x = 574,879,926,343,010.88
  5. Step 5: Solve for x
    x = 574,879,926,343,010.88/20,631,251.80
  6. Step 6: Final answer
    x = 27,864,519.90

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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.