Home / 20,892,022.60-31,338,033.90-18,372,598.60

Finding the Fourth Proportional to 20,892,022.60, 31,338,033.90 and 18,372,598.60

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Solution

The fourth proportional to 20,892,022.60, 31,338,033.90 and 18,372,598.60 is: 27,558,897.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,892,022.60 : 31,338,033.90 = 18,372,598.60 : x
  2. Step 2: Convert to fraction form
    20,892,022.60/31,338,033.90 = 18,372,598.60/x
  3. Step 3: Cross multiply
    20,892,022.60x = 31,338,033.90 × 18,372,598.60
  4. Step 4: Simplify right side
    20,892,022.60x = 575,761,117,757,892.50
  5. Step 5: Solve for x
    x = 575,761,117,757,892.50/20,892,022.60
  6. Step 6: Final answer
    x = 27,558,897.90

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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.